diff --git a/.cargo_vcs_info.json b/.cargo_vcs_info.json
index 97d68b2..e1cdbd8 100644
--- a/.cargo_vcs_info.json
+++ b/.cargo_vcs_info.json
@@ -1,5 +1,5 @@
 {
   "git": {
-    "sha1": "1e5368c80fd4272ada7d2ed7c6be783376bb5080"
+    "sha1": "6dc2d04102a36615e0ca9853390d77712f889b9c"
   }
 }
diff --git a/Android.bp b/Android.bp
index 7f83ff2..3acb097 100644
--- a/Android.bp
+++ b/Android.bp
@@ -28,4 +28,4 @@
 }
 
 // dependent_library ["feature_list"]
-//   bytes-1.0.0 "default,std"
+//   bytes-1.0.1 "default,std"
diff --git a/Cargo.toml b/Cargo.toml
index de24a5d..1af904e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,7 +13,7 @@
 [package]
 edition = "2018"
 name = "protobuf"
-version = "2.20.0"
+version = "2.22.0"
 authors = ["Stepan Koltsov <stepan.koltsov@gmail.com>"]
 description = "Rust implementation of Google protocol buffers\n"
 homepage = "https://github.com/stepancheg/rust-protobuf/"
@@ -32,6 +32,7 @@
 
 [dependencies.serde]
 version = "1.0"
+features = ["derive"]
 optional = true
 
 [dependencies.serde_derive]
diff --git a/Cargo.toml.orig b/Cargo.toml.orig
index 0935e0e..24d73ad 100644
--- a/Cargo.toml.orig
+++ b/Cargo.toml.orig
@@ -1,7 +1,7 @@
 [package]
 
 name = "protobuf"
-version = "2.20.0"
+version = "2.22.0"
 authors = ["Stepan Koltsov <stepan.koltsov@gmail.com>"]
 edition = "2018"
 license = "MIT"
@@ -22,7 +22,7 @@
 
 [dependencies]
 bytes = { version = "1.0", optional = true }
-serde        = { version = "1.0", optional = true }
+serde        = { version = "1.0", features = ["derive"], optional = true }
 serde_derive = { version = "1.0", optional = true }
 
 [package.metadata.docs.rs]
diff --git a/METADATA b/METADATA
index 59982b1..62f030f 100644
--- a/METADATA
+++ b/METADATA
@@ -7,13 +7,13 @@
   }
   url {
     type: ARCHIVE
-    value: "https://static.crates.io/crates/protobuf/protobuf-2.20.0.crate"
+    value: "https://static.crates.io/crates/protobuf/protobuf-2.22.0.crate"
   }
-  version: "2.20.0"
+  version: "2.22.0"
   license_type: NOTICE
   last_upgrade_date {
     year: 2021
-    month: 1
-    day: 7
+    month: 2
+    day: 9
   }
 }
diff --git a/build.rs b/build.rs
index b0b1010..653ba35 100644
--- a/build.rs
+++ b/build.rs
@@ -1,7 +1,9 @@
 use std::env;
 use std::fs::File;
-use std::io::{Read, Write};
-use std::path::{Path, PathBuf};
+use std::io::Read;
+use std::io::Write;
+use std::path::Path;
+use std::path::PathBuf;
 use std::process;
 
 // % rustc +stable --version
diff --git a/out/version.rs b/out/version.rs
index 239f02e..a242f31 100644
--- a/out/version.rs
+++ b/out/version.rs
@@ -1,7 +1,7 @@
 /// protobuf crate version
-pub const VERSION: &'static str = "2.20.0";
+pub const VERSION: &'static str = "2.22.0";
 /// This symbol is used by codegen
 #[doc(hidden)]
-pub const VERSION_IDENT: &'static str = "VERSION_2_20_0";
+pub const VERSION_IDENT: &'static str = "VERSION_2_22_0";
 /// This symbol can be referenced to assert that proper version of crate is used
-pub const VERSION_2_20_0: () = ();
+pub const VERSION_2_22_0: () = ();
diff --git a/regenerate.sh b/regenerate.sh
index a1e0dd9..672106e 100755
--- a/regenerate.sh
+++ b/regenerate.sh
@@ -36,8 +36,9 @@
     --rust_out tmp-generated \
     --rust_opt 'serde_derive=true inside_protobuf=true' \
     -I../proto \
-    ../proto/google/protobuf/*.proto \
-    ../proto/google/protobuf/compiler/* \
+    -I../protoc-bin-vendored/include \
+    ../protoc-bin-vendored/include/google/protobuf/*.proto \
+    ../protoc-bin-vendored/include/google/protobuf/compiler/* \
     ../proto/rustproto.proto
 
 mv tmp-generated/descriptor.rs tmp-generated/plugin.rs tmp-generated/rustproto.rs src/
diff --git a/src/descriptor.rs b/src/descriptor.rs
index 01dcd81..3e76bee 100644
--- a/src/descriptor.rs
+++ b/src/descriptor.rs
@@ -1,4 +1,4 @@
-// This file is generated by rust-protobuf 2.19.0-pre. Do not edit
+// This file is generated by rust-protobuf 2.22.0-pre. Do not edit
 // @generated
 
 // https://github.com/rust-lang/rust-clippy/issues/702
@@ -20,7 +20,7 @@
 //! Generated file from `google/protobuf/descriptor.proto`
 
 #[derive(PartialEq,Clone,Default)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub struct FileDescriptorSet {
     // message fields
     pub file: crate::RepeatedField<FileDescriptorProto>,
@@ -189,7 +189,7 @@
 }
 
 #[derive(PartialEq,Clone,Default)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub struct FileDescriptorProto {
     // message fields
     name: crate::SingularField<::std::string::String>,
@@ -898,7 +898,7 @@
 }
 
 #[derive(PartialEq,Clone,Default)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub struct DescriptorProto {
     // message fields
     name: crate::SingularField<::std::string::String>,
@@ -1511,11 +1511,12 @@
 }
 
 #[derive(PartialEq,Clone,Default)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub struct DescriptorProto_ExtensionRange {
     // message fields
     start: ::std::option::Option<i32>,
     end: ::std::option::Option<i32>,
+    pub options: crate::SingularPtrField<ExtensionRangeOptions>,
     // special fields
     #[cfg_attr(feature = "with-serde", serde(skip))]
     pub unknown_fields: crate::UnknownFields,
@@ -1571,10 +1572,48 @@
     pub fn set_end(&mut self, v: i32) {
         self.end = ::std::option::Option::Some(v);
     }
+
+    // optional .google.protobuf.ExtensionRangeOptions options = 3;
+
+
+    pub fn get_options(&self) -> &ExtensionRangeOptions {
+        self.options.as_ref().unwrap_or_else(|| <ExtensionRangeOptions as crate::Message>::default_instance())
+    }
+    pub fn clear_options(&mut self) {
+        self.options.clear();
+    }
+
+    pub fn has_options(&self) -> bool {
+        self.options.is_some()
+    }
+
+    // Param is passed by value, moved
+    pub fn set_options(&mut self, v: ExtensionRangeOptions) {
+        self.options = crate::SingularPtrField::some(v);
+    }
+
+    // Mutable pointer to the field.
+    // If field is not initialized, it is initialized with default value first.
+    pub fn mut_options(&mut self) -> &mut ExtensionRangeOptions {
+        if self.options.is_none() {
+            self.options.set_default();
+        }
+        self.options.as_mut().unwrap()
+    }
+
+    // Take field
+    pub fn take_options(&mut self) -> ExtensionRangeOptions {
+        self.options.take().unwrap_or_else(|| ExtensionRangeOptions::new())
+    }
 }
 
 impl crate::Message for DescriptorProto_ExtensionRange {
     fn is_initialized(&self) -> bool {
+        for v in &self.options {
+            if !v.is_initialized() {
+                return false;
+            }
+        };
         true
     }
 
@@ -1596,6 +1635,9 @@
                     let tmp = is.read_int32()?;
                     self.end = ::std::option::Option::Some(tmp);
                 },
+                3 => {
+                    crate::rt::read_singular_message_into(wire_type, is, &mut self.options)?;
+                },
                 _ => {
                     crate::rt::read_unknown_or_skip_group(field_number, wire_type, is, self.mut_unknown_fields())?;
                 },
@@ -1614,6 +1656,10 @@
         if let Some(v) = self.end {
             my_size += crate::rt::value_size(2, v, crate::wire_format::WireTypeVarint);
         }
+        if let Some(ref v) = self.options.as_ref() {
+            let len = v.compute_size();
+            my_size += 1 + crate::rt::compute_raw_varint32_size(len) + len;
+        }
         my_size += crate::rt::unknown_fields_size(self.get_unknown_fields());
         self.cached_size.set(my_size);
         my_size
@@ -1626,6 +1672,11 @@
         if let Some(v) = self.end {
             os.write_int32(2, v)?;
         }
+        if let Some(ref v) = self.options.as_ref() {
+            os.write_tag(3, crate::wire_format::WireTypeLengthDelimited)?;
+            os.write_raw_varint32(v.get_cached_size())?;
+            v.write_to_with_cached_sizes(os)?;
+        }
         os.write_unknown_fields(self.get_unknown_fields())?;
         ::std::result::Result::Ok(())
     }
@@ -1674,6 +1725,11 @@
                 |m: &DescriptorProto_ExtensionRange| { &m.end },
                 |m: &mut DescriptorProto_ExtensionRange| { &mut m.end },
             ));
+            fields.push(crate::reflect::accessor::make_singular_ptr_field_accessor::<_, crate::types::ProtobufTypeMessage<ExtensionRangeOptions>>(
+                "options",
+                |m: &DescriptorProto_ExtensionRange| { &m.options },
+                |m: &mut DescriptorProto_ExtensionRange| { &mut m.options },
+            ));
             crate::reflect::MessageDescriptor::new_pb_name::<DescriptorProto_ExtensionRange>(
                 "DescriptorProto.ExtensionRange",
                 fields,
@@ -1692,6 +1748,7 @@
     fn clear(&mut self) {
         self.start = ::std::option::Option::None;
         self.end = ::std::option::Option::None;
+        self.options.clear();
         self.unknown_fields.clear();
     }
 }
@@ -1709,7 +1766,7 @@
 }
 
 #[derive(PartialEq,Clone,Default)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub struct DescriptorProto_ReservedRange {
     // message fields
     start: ::std::option::Option<i32>,
@@ -1907,7 +1964,176 @@
 }
 
 #[derive(PartialEq,Clone,Default)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
+pub struct ExtensionRangeOptions {
+    // message fields
+    pub uninterpreted_option: crate::RepeatedField<UninterpretedOption>,
+    // special fields
+    #[cfg_attr(feature = "with-serde", serde(skip))]
+    pub unknown_fields: crate::UnknownFields,
+    #[cfg_attr(feature = "with-serde", serde(skip))]
+    pub cached_size: crate::CachedSize,
+}
+
+impl<'a> ::std::default::Default for &'a ExtensionRangeOptions {
+    fn default() -> &'a ExtensionRangeOptions {
+        <ExtensionRangeOptions as crate::Message>::default_instance()
+    }
+}
+
+impl ExtensionRangeOptions {
+    pub fn new() -> ExtensionRangeOptions {
+        ::std::default::Default::default()
+    }
+
+    // repeated .google.protobuf.UninterpretedOption uninterpreted_option = 999;
+
+
+    pub fn get_uninterpreted_option(&self) -> &[UninterpretedOption] {
+        &self.uninterpreted_option
+    }
+    pub fn clear_uninterpreted_option(&mut self) {
+        self.uninterpreted_option.clear();
+    }
+
+    // Param is passed by value, moved
+    pub fn set_uninterpreted_option(&mut self, v: crate::RepeatedField<UninterpretedOption>) {
+        self.uninterpreted_option = v;
+    }
+
+    // Mutable pointer to the field.
+    pub fn mut_uninterpreted_option(&mut self) -> &mut crate::RepeatedField<UninterpretedOption> {
+        &mut self.uninterpreted_option
+    }
+
+    // Take field
+    pub fn take_uninterpreted_option(&mut self) -> crate::RepeatedField<UninterpretedOption> {
+        ::std::mem::replace(&mut self.uninterpreted_option, crate::RepeatedField::new())
+    }
+}
+
+impl crate::Message for ExtensionRangeOptions {
+    fn is_initialized(&self) -> bool {
+        for v in &self.uninterpreted_option {
+            if !v.is_initialized() {
+                return false;
+            }
+        };
+        true
+    }
+
+    fn merge_from(&mut self, is: &mut crate::CodedInputStream<'_>) -> crate::ProtobufResult<()> {
+        while !is.eof()? {
+            let (field_number, wire_type) = is.read_tag_unpack()?;
+            match field_number {
+                999 => {
+                    crate::rt::read_repeated_message_into(wire_type, is, &mut self.uninterpreted_option)?;
+                },
+                _ => {
+                    crate::rt::read_unknown_or_skip_group(field_number, wire_type, is, self.mut_unknown_fields())?;
+                },
+            };
+        }
+        ::std::result::Result::Ok(())
+    }
+
+    // Compute sizes of nested messages
+    #[allow(unused_variables)]
+    fn compute_size(&self) -> u32 {
+        let mut my_size = 0;
+        for value in &self.uninterpreted_option {
+            let len = value.compute_size();
+            my_size += 2 + crate::rt::compute_raw_varint32_size(len) + len;
+        };
+        my_size += crate::rt::unknown_fields_size(self.get_unknown_fields());
+        self.cached_size.set(my_size);
+        my_size
+    }
+
+    fn write_to_with_cached_sizes(&self, os: &mut crate::CodedOutputStream<'_>) -> crate::ProtobufResult<()> {
+        for v in &self.uninterpreted_option {
+            os.write_tag(999, crate::wire_format::WireTypeLengthDelimited)?;
+            os.write_raw_varint32(v.get_cached_size())?;
+            v.write_to_with_cached_sizes(os)?;
+        };
+        os.write_unknown_fields(self.get_unknown_fields())?;
+        ::std::result::Result::Ok(())
+    }
+
+    fn get_cached_size(&self) -> u32 {
+        self.cached_size.get()
+    }
+
+    fn get_unknown_fields(&self) -> &crate::UnknownFields {
+        &self.unknown_fields
+    }
+
+    fn mut_unknown_fields(&mut self) -> &mut crate::UnknownFields {
+        &mut self.unknown_fields
+    }
+
+    fn as_any(&self) -> &dyn (::std::any::Any) {
+        self as &dyn (::std::any::Any)
+    }
+    fn as_any_mut(&mut self) -> &mut dyn (::std::any::Any) {
+        self as &mut dyn (::std::any::Any)
+    }
+    fn into_any(self: ::std::boxed::Box<Self>) -> ::std::boxed::Box<dyn (::std::any::Any)> {
+        self
+    }
+
+    fn descriptor(&self) -> &'static crate::reflect::MessageDescriptor {
+        Self::descriptor_static()
+    }
+
+    fn new() -> ExtensionRangeOptions {
+        ExtensionRangeOptions::new()
+    }
+
+    fn descriptor_static() -> &'static crate::reflect::MessageDescriptor {
+        static descriptor: crate::rt::LazyV2<crate::reflect::MessageDescriptor> = crate::rt::LazyV2::INIT;
+        descriptor.get(|| {
+            let mut fields = ::std::vec::Vec::new();
+            fields.push(crate::reflect::accessor::make_repeated_field_accessor::<_, crate::types::ProtobufTypeMessage<UninterpretedOption>>(
+                "uninterpreted_option",
+                |m: &ExtensionRangeOptions| { &m.uninterpreted_option },
+                |m: &mut ExtensionRangeOptions| { &mut m.uninterpreted_option },
+            ));
+            crate::reflect::MessageDescriptor::new_pb_name::<ExtensionRangeOptions>(
+                "ExtensionRangeOptions",
+                fields,
+                file_descriptor_proto()
+            )
+        })
+    }
+
+    fn default_instance() -> &'static ExtensionRangeOptions {
+        static instance: crate::rt::LazyV2<ExtensionRangeOptions> = crate::rt::LazyV2::INIT;
+        instance.get(ExtensionRangeOptions::new)
+    }
+}
+
+impl crate::Clear for ExtensionRangeOptions {
+    fn clear(&mut self) {
+        self.uninterpreted_option.clear();
+        self.unknown_fields.clear();
+    }
+}
+
+impl ::std::fmt::Debug for ExtensionRangeOptions {
+    fn fmt(&self, f: &mut ::std::fmt::Formatter<'_>) -> ::std::fmt::Result {
+        crate::text_format::fmt(self, f)
+    }
+}
+
+impl crate::reflect::ProtobufValue for ExtensionRangeOptions {
+    fn as_ref(&self) -> crate::reflect::ReflectValueRef {
+        crate::reflect::ReflectValueRef::Message(self)
+    }
+}
+
+#[derive(PartialEq,Clone,Default)]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub struct FieldDescriptorProto {
     // message fields
     name: crate::SingularField<::std::string::String>,
@@ -1920,6 +2146,7 @@
     oneof_index: ::std::option::Option<i32>,
     json_name: crate::SingularField<::std::string::String>,
     pub options: crate::SingularPtrField<FieldOptions>,
+    proto3_optional: ::std::option::Option<bool>,
     // special fields
     #[cfg_attr(feature = "with-serde", serde(skip))]
     pub unknown_fields: crate::UnknownFields,
@@ -2226,6 +2453,25 @@
     pub fn take_options(&mut self) -> FieldOptions {
         self.options.take().unwrap_or_else(|| FieldOptions::new())
     }
+
+    // optional bool proto3_optional = 17;
+
+
+    pub fn get_proto3_optional(&self) -> bool {
+        self.proto3_optional.unwrap_or(false)
+    }
+    pub fn clear_proto3_optional(&mut self) {
+        self.proto3_optional = ::std::option::Option::None;
+    }
+
+    pub fn has_proto3_optional(&self) -> bool {
+        self.proto3_optional.is_some()
+    }
+
+    // Param is passed by value, moved
+    pub fn set_proto3_optional(&mut self, v: bool) {
+        self.proto3_optional = ::std::option::Option::Some(v);
+    }
 }
 
 impl crate::Message for FieldDescriptorProto {
@@ -2280,6 +2526,13 @@
                 8 => {
                     crate::rt::read_singular_message_into(wire_type, is, &mut self.options)?;
                 },
+                17 => {
+                    if wire_type != crate::wire_format::WireTypeVarint {
+                        return ::std::result::Result::Err(crate::rt::unexpected_wire_type(wire_type));
+                    }
+                    let tmp = is.read_bool()?;
+                    self.proto3_optional = ::std::option::Option::Some(tmp);
+                },
                 _ => {
                     crate::rt::read_unknown_or_skip_group(field_number, wire_type, is, self.mut_unknown_fields())?;
                 },
@@ -2323,6 +2576,9 @@
             let len = v.compute_size();
             my_size += 1 + crate::rt::compute_raw_varint32_size(len) + len;
         }
+        if let Some(v) = self.proto3_optional {
+            my_size += 3;
+        }
         my_size += crate::rt::unknown_fields_size(self.get_unknown_fields());
         self.cached_size.set(my_size);
         my_size
@@ -2361,6 +2617,9 @@
             os.write_raw_varint32(v.get_cached_size())?;
             v.write_to_with_cached_sizes(os)?;
         }
+        if let Some(v) = self.proto3_optional {
+            os.write_bool(17, v)?;
+        }
         os.write_unknown_fields(self.get_unknown_fields())?;
         ::std::result::Result::Ok(())
     }
@@ -2449,6 +2708,11 @@
                 |m: &FieldDescriptorProto| { &m.options },
                 |m: &mut FieldDescriptorProto| { &mut m.options },
             ));
+            fields.push(crate::reflect::accessor::make_option_accessor::<_, crate::types::ProtobufTypeBool>(
+                "proto3_optional",
+                |m: &FieldDescriptorProto| { &m.proto3_optional },
+                |m: &mut FieldDescriptorProto| { &mut m.proto3_optional },
+            ));
             crate::reflect::MessageDescriptor::new_pb_name::<FieldDescriptorProto>(
                 "FieldDescriptorProto",
                 fields,
@@ -2475,6 +2739,7 @@
         self.oneof_index = ::std::option::Option::None;
         self.json_name.clear();
         self.options.clear();
+        self.proto3_optional = ::std::option::Option::None;
         self.unknown_fields.clear();
     }
 }
@@ -2492,7 +2757,7 @@
 }
 
 #[derive(Clone,PartialEq,Eq,Debug,Hash)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub enum FieldDescriptorProto_Type {
     TYPE_DOUBLE = 1,
     TYPE_FLOAT = 2,
@@ -2592,7 +2857,7 @@
 }
 
 #[derive(Clone,PartialEq,Eq,Debug,Hash)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub enum FieldDescriptorProto_Label {
     LABEL_OPTIONAL = 1,
     LABEL_REQUIRED = 2,
@@ -2647,7 +2912,7 @@
 }
 
 #[derive(PartialEq,Clone,Default)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub struct OneofDescriptorProto {
     // message fields
     name: crate::SingularField<::std::string::String>,
@@ -2876,12 +3141,14 @@
 }
 
 #[derive(PartialEq,Clone,Default)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub struct EnumDescriptorProto {
     // message fields
     name: crate::SingularField<::std::string::String>,
     pub value: crate::RepeatedField<EnumValueDescriptorProto>,
     pub options: crate::SingularPtrField<EnumOptions>,
+    pub reserved_range: crate::RepeatedField<EnumDescriptorProto_EnumReservedRange>,
+    pub reserved_name: crate::RepeatedField<::std::string::String>,
     // special fields
     #[cfg_attr(feature = "with-serde", serde(skip))]
     pub unknown_fields: crate::UnknownFields,
@@ -2993,6 +3260,56 @@
     pub fn take_options(&mut self) -> EnumOptions {
         self.options.take().unwrap_or_else(|| EnumOptions::new())
     }
+
+    // repeated .google.protobuf.EnumDescriptorProto.EnumReservedRange reserved_range = 4;
+
+
+    pub fn get_reserved_range(&self) -> &[EnumDescriptorProto_EnumReservedRange] {
+        &self.reserved_range
+    }
+    pub fn clear_reserved_range(&mut self) {
+        self.reserved_range.clear();
+    }
+
+    // Param is passed by value, moved
+    pub fn set_reserved_range(&mut self, v: crate::RepeatedField<EnumDescriptorProto_EnumReservedRange>) {
+        self.reserved_range = v;
+    }
+
+    // Mutable pointer to the field.
+    pub fn mut_reserved_range(&mut self) -> &mut crate::RepeatedField<EnumDescriptorProto_EnumReservedRange> {
+        &mut self.reserved_range
+    }
+
+    // Take field
+    pub fn take_reserved_range(&mut self) -> crate::RepeatedField<EnumDescriptorProto_EnumReservedRange> {
+        ::std::mem::replace(&mut self.reserved_range, crate::RepeatedField::new())
+    }
+
+    // repeated string reserved_name = 5;
+
+
+    pub fn get_reserved_name(&self) -> &[::std::string::String] {
+        &self.reserved_name
+    }
+    pub fn clear_reserved_name(&mut self) {
+        self.reserved_name.clear();
+    }
+
+    // Param is passed by value, moved
+    pub fn set_reserved_name(&mut self, v: crate::RepeatedField<::std::string::String>) {
+        self.reserved_name = v;
+    }
+
+    // Mutable pointer to the field.
+    pub fn mut_reserved_name(&mut self) -> &mut crate::RepeatedField<::std::string::String> {
+        &mut self.reserved_name
+    }
+
+    // Take field
+    pub fn take_reserved_name(&mut self) -> crate::RepeatedField<::std::string::String> {
+        ::std::mem::replace(&mut self.reserved_name, crate::RepeatedField::new())
+    }
 }
 
 impl crate::Message for EnumDescriptorProto {
@@ -3007,6 +3324,11 @@
                 return false;
             }
         };
+        for v in &self.reserved_range {
+            if !v.is_initialized() {
+                return false;
+            }
+        };
         true
     }
 
@@ -3023,6 +3345,12 @@
                 3 => {
                     crate::rt::read_singular_message_into(wire_type, is, &mut self.options)?;
                 },
+                4 => {
+                    crate::rt::read_repeated_message_into(wire_type, is, &mut self.reserved_range)?;
+                },
+                5 => {
+                    crate::rt::read_repeated_string_into(wire_type, is, &mut self.reserved_name)?;
+                },
                 _ => {
                     crate::rt::read_unknown_or_skip_group(field_number, wire_type, is, self.mut_unknown_fields())?;
                 },
@@ -3046,6 +3374,13 @@
             let len = v.compute_size();
             my_size += 1 + crate::rt::compute_raw_varint32_size(len) + len;
         }
+        for value in &self.reserved_range {
+            let len = value.compute_size();
+            my_size += 1 + crate::rt::compute_raw_varint32_size(len) + len;
+        };
+        for value in &self.reserved_name {
+            my_size += crate::rt::string_size(5, &value);
+        };
         my_size += crate::rt::unknown_fields_size(self.get_unknown_fields());
         self.cached_size.set(my_size);
         my_size
@@ -3065,6 +3400,14 @@
             os.write_raw_varint32(v.get_cached_size())?;
             v.write_to_with_cached_sizes(os)?;
         }
+        for v in &self.reserved_range {
+            os.write_tag(4, crate::wire_format::WireTypeLengthDelimited)?;
+            os.write_raw_varint32(v.get_cached_size())?;
+            v.write_to_with_cached_sizes(os)?;
+        };
+        for v in &self.reserved_name {
+            os.write_string(5, &v)?;
+        };
         os.write_unknown_fields(self.get_unknown_fields())?;
         ::std::result::Result::Ok(())
     }
@@ -3118,6 +3461,16 @@
                 |m: &EnumDescriptorProto| { &m.options },
                 |m: &mut EnumDescriptorProto| { &mut m.options },
             ));
+            fields.push(crate::reflect::accessor::make_repeated_field_accessor::<_, crate::types::ProtobufTypeMessage<EnumDescriptorProto_EnumReservedRange>>(
+                "reserved_range",
+                |m: &EnumDescriptorProto| { &m.reserved_range },
+                |m: &mut EnumDescriptorProto| { &mut m.reserved_range },
+            ));
+            fields.push(crate::reflect::accessor::make_repeated_field_accessor::<_, crate::types::ProtobufTypeString>(
+                "reserved_name",
+                |m: &EnumDescriptorProto| { &m.reserved_name },
+                |m: &mut EnumDescriptorProto| { &mut m.reserved_name },
+            ));
             crate::reflect::MessageDescriptor::new_pb_name::<EnumDescriptorProto>(
                 "EnumDescriptorProto",
                 fields,
@@ -3137,6 +3490,8 @@
         self.name.clear();
         self.value.clear();
         self.options.clear();
+        self.reserved_range.clear();
+        self.reserved_name.clear();
         self.unknown_fields.clear();
     }
 }
@@ -3154,7 +3509,205 @@
 }
 
 #[derive(PartialEq,Clone,Default)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
+pub struct EnumDescriptorProto_EnumReservedRange {
+    // message fields
+    start: ::std::option::Option<i32>,
+    end: ::std::option::Option<i32>,
+    // special fields
+    #[cfg_attr(feature = "with-serde", serde(skip))]
+    pub unknown_fields: crate::UnknownFields,
+    #[cfg_attr(feature = "with-serde", serde(skip))]
+    pub cached_size: crate::CachedSize,
+}
+
+impl<'a> ::std::default::Default for &'a EnumDescriptorProto_EnumReservedRange {
+    fn default() -> &'a EnumDescriptorProto_EnumReservedRange {
+        <EnumDescriptorProto_EnumReservedRange as crate::Message>::default_instance()
+    }
+}
+
+impl EnumDescriptorProto_EnumReservedRange {
+    pub fn new() -> EnumDescriptorProto_EnumReservedRange {
+        ::std::default::Default::default()
+    }
+
+    // optional int32 start = 1;
+
+
+    pub fn get_start(&self) -> i32 {
+        self.start.unwrap_or(0)
+    }
+    pub fn clear_start(&mut self) {
+        self.start = ::std::option::Option::None;
+    }
+
+    pub fn has_start(&self) -> bool {
+        self.start.is_some()
+    }
+
+    // Param is passed by value, moved
+    pub fn set_start(&mut self, v: i32) {
+        self.start = ::std::option::Option::Some(v);
+    }
+
+    // optional int32 end = 2;
+
+
+    pub fn get_end(&self) -> i32 {
+        self.end.unwrap_or(0)
+    }
+    pub fn clear_end(&mut self) {
+        self.end = ::std::option::Option::None;
+    }
+
+    pub fn has_end(&self) -> bool {
+        self.end.is_some()
+    }
+
+    // Param is passed by value, moved
+    pub fn set_end(&mut self, v: i32) {
+        self.end = ::std::option::Option::Some(v);
+    }
+}
+
+impl crate::Message for EnumDescriptorProto_EnumReservedRange {
+    fn is_initialized(&self) -> bool {
+        true
+    }
+
+    fn merge_from(&mut self, is: &mut crate::CodedInputStream<'_>) -> crate::ProtobufResult<()> {
+        while !is.eof()? {
+            let (field_number, wire_type) = is.read_tag_unpack()?;
+            match field_number {
+                1 => {
+                    if wire_type != crate::wire_format::WireTypeVarint {
+                        return ::std::result::Result::Err(crate::rt::unexpected_wire_type(wire_type));
+                    }
+                    let tmp = is.read_int32()?;
+                    self.start = ::std::option::Option::Some(tmp);
+                },
+                2 => {
+                    if wire_type != crate::wire_format::WireTypeVarint {
+                        return ::std::result::Result::Err(crate::rt::unexpected_wire_type(wire_type));
+                    }
+                    let tmp = is.read_int32()?;
+                    self.end = ::std::option::Option::Some(tmp);
+                },
+                _ => {
+                    crate::rt::read_unknown_or_skip_group(field_number, wire_type, is, self.mut_unknown_fields())?;
+                },
+            };
+        }
+        ::std::result::Result::Ok(())
+    }
+
+    // Compute sizes of nested messages
+    #[allow(unused_variables)]
+    fn compute_size(&self) -> u32 {
+        let mut my_size = 0;
+        if let Some(v) = self.start {
+            my_size += crate::rt::value_size(1, v, crate::wire_format::WireTypeVarint);
+        }
+        if let Some(v) = self.end {
+            my_size += crate::rt::value_size(2, v, crate::wire_format::WireTypeVarint);
+        }
+        my_size += crate::rt::unknown_fields_size(self.get_unknown_fields());
+        self.cached_size.set(my_size);
+        my_size
+    }
+
+    fn write_to_with_cached_sizes(&self, os: &mut crate::CodedOutputStream<'_>) -> crate::ProtobufResult<()> {
+        if let Some(v) = self.start {
+            os.write_int32(1, v)?;
+        }
+        if let Some(v) = self.end {
+            os.write_int32(2, v)?;
+        }
+        os.write_unknown_fields(self.get_unknown_fields())?;
+        ::std::result::Result::Ok(())
+    }
+
+    fn get_cached_size(&self) -> u32 {
+        self.cached_size.get()
+    }
+
+    fn get_unknown_fields(&self) -> &crate::UnknownFields {
+        &self.unknown_fields
+    }
+
+    fn mut_unknown_fields(&mut self) -> &mut crate::UnknownFields {
+        &mut self.unknown_fields
+    }
+
+    fn as_any(&self) -> &dyn (::std::any::Any) {
+        self as &dyn (::std::any::Any)
+    }
+    fn as_any_mut(&mut self) -> &mut dyn (::std::any::Any) {
+        self as &mut dyn (::std::any::Any)
+    }
+    fn into_any(self: ::std::boxed::Box<Self>) -> ::std::boxed::Box<dyn (::std::any::Any)> {
+        self
+    }
+
+    fn descriptor(&self) -> &'static crate::reflect::MessageDescriptor {
+        Self::descriptor_static()
+    }
+
+    fn new() -> EnumDescriptorProto_EnumReservedRange {
+        EnumDescriptorProto_EnumReservedRange::new()
+    }
+
+    fn descriptor_static() -> &'static crate::reflect::MessageDescriptor {
+        static descriptor: crate::rt::LazyV2<crate::reflect::MessageDescriptor> = crate::rt::LazyV2::INIT;
+        descriptor.get(|| {
+            let mut fields = ::std::vec::Vec::new();
+            fields.push(crate::reflect::accessor::make_option_accessor::<_, crate::types::ProtobufTypeInt32>(
+                "start",
+                |m: &EnumDescriptorProto_EnumReservedRange| { &m.start },
+                |m: &mut EnumDescriptorProto_EnumReservedRange| { &mut m.start },
+            ));
+            fields.push(crate::reflect::accessor::make_option_accessor::<_, crate::types::ProtobufTypeInt32>(
+                "end",
+                |m: &EnumDescriptorProto_EnumReservedRange| { &m.end },
+                |m: &mut EnumDescriptorProto_EnumReservedRange| { &mut m.end },
+            ));
+            crate::reflect::MessageDescriptor::new_pb_name::<EnumDescriptorProto_EnumReservedRange>(
+                "EnumDescriptorProto.EnumReservedRange",
+                fields,
+                file_descriptor_proto()
+            )
+        })
+    }
+
+    fn default_instance() -> &'static EnumDescriptorProto_EnumReservedRange {
+        static instance: crate::rt::LazyV2<EnumDescriptorProto_EnumReservedRange> = crate::rt::LazyV2::INIT;
+        instance.get(EnumDescriptorProto_EnumReservedRange::new)
+    }
+}
+
+impl crate::Clear for EnumDescriptorProto_EnumReservedRange {
+    fn clear(&mut self) {
+        self.start = ::std::option::Option::None;
+        self.end = ::std::option::Option::None;
+        self.unknown_fields.clear();
+    }
+}
+
+impl ::std::fmt::Debug for EnumDescriptorProto_EnumReservedRange {
+    fn fmt(&self, f: &mut ::std::fmt::Formatter<'_>) -> ::std::fmt::Result {
+        crate::text_format::fmt(self, f)
+    }
+}
+
+impl crate::reflect::ProtobufValue for EnumDescriptorProto_EnumReservedRange {
+    fn as_ref(&self) -> crate::reflect::ReflectValueRef {
+        crate::reflect::ReflectValueRef::Message(self)
+    }
+}
+
+#[derive(PartialEq,Clone,Default)]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub struct EnumValueDescriptorProto {
     // message fields
     name: crate::SingularField<::std::string::String>,
@@ -3422,7 +3975,7 @@
 }
 
 #[derive(PartialEq,Clone,Default)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub struct ServiceDescriptorProto {
     // message fields
     name: crate::SingularField<::std::string::String>,
@@ -3700,7 +4253,7 @@
 }
 
 #[derive(PartialEq,Clone,Default)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub struct MethodDescriptorProto {
     // message fields
     name: crate::SingularField<::std::string::String>,
@@ -4111,7 +4664,7 @@
 }
 
 #[derive(PartialEq,Clone,Default)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub struct FileOptions {
     // message fields
     java_package: crate::SingularField<::std::string::String>,
@@ -4124,10 +4677,16 @@
     cc_generic_services: ::std::option::Option<bool>,
     java_generic_services: ::std::option::Option<bool>,
     py_generic_services: ::std::option::Option<bool>,
+    php_generic_services: ::std::option::Option<bool>,
     deprecated: ::std::option::Option<bool>,
     cc_enable_arenas: ::std::option::Option<bool>,
     objc_class_prefix: crate::SingularField<::std::string::String>,
     csharp_namespace: crate::SingularField<::std::string::String>,
+    swift_prefix: crate::SingularField<::std::string::String>,
+    php_class_prefix: crate::SingularField<::std::string::String>,
+    php_namespace: crate::SingularField<::std::string::String>,
+    php_metadata_namespace: crate::SingularField<::std::string::String>,
+    ruby_package: crate::SingularField<::std::string::String>,
     pub uninterpreted_option: crate::RepeatedField<UninterpretedOption>,
     // special fields
     #[cfg_attr(feature = "with-serde", serde(skip))]
@@ -4388,6 +4947,25 @@
         self.py_generic_services = ::std::option::Option::Some(v);
     }
 
+    // optional bool php_generic_services = 42;
+
+
+    pub fn get_php_generic_services(&self) -> bool {
+        self.php_generic_services.unwrap_or(false)
+    }
+    pub fn clear_php_generic_services(&mut self) {
+        self.php_generic_services = ::std::option::Option::None;
+    }
+
+    pub fn has_php_generic_services(&self) -> bool {
+        self.php_generic_services.is_some()
+    }
+
+    // Param is passed by value, moved
+    pub fn set_php_generic_services(&mut self, v: bool) {
+        self.php_generic_services = ::std::option::Option::Some(v);
+    }
+
     // optional bool deprecated = 23;
 
 
@@ -4411,7 +4989,7 @@
 
 
     pub fn get_cc_enable_arenas(&self) -> bool {
-        self.cc_enable_arenas.unwrap_or(false)
+        self.cc_enable_arenas.unwrap_or(true)
     }
     pub fn clear_cc_enable_arenas(&mut self) {
         self.cc_enable_arenas = ::std::option::Option::None;
@@ -4498,6 +5076,186 @@
         self.csharp_namespace.take().unwrap_or_else(|| ::std::string::String::new())
     }
 
+    // optional string swift_prefix = 39;
+
+
+    pub fn get_swift_prefix(&self) -> &str {
+        match self.swift_prefix.as_ref() {
+            Some(v) => &v,
+            None => "",
+        }
+    }
+    pub fn clear_swift_prefix(&mut self) {
+        self.swift_prefix.clear();
+    }
+
+    pub fn has_swift_prefix(&self) -> bool {
+        self.swift_prefix.is_some()
+    }
+
+    // Param is passed by value, moved
+    pub fn set_swift_prefix(&mut self, v: ::std::string::String) {
+        self.swift_prefix = crate::SingularField::some(v);
+    }
+
+    // Mutable pointer to the field.
+    // If field is not initialized, it is initialized with default value first.
+    pub fn mut_swift_prefix(&mut self) -> &mut ::std::string::String {
+        if self.swift_prefix.is_none() {
+            self.swift_prefix.set_default();
+        }
+        self.swift_prefix.as_mut().unwrap()
+    }
+
+    // Take field
+    pub fn take_swift_prefix(&mut self) -> ::std::string::String {
+        self.swift_prefix.take().unwrap_or_else(|| ::std::string::String::new())
+    }
+
+    // optional string php_class_prefix = 40;
+
+
+    pub fn get_php_class_prefix(&self) -> &str {
+        match self.php_class_prefix.as_ref() {
+            Some(v) => &v,
+            None => "",
+        }
+    }
+    pub fn clear_php_class_prefix(&mut self) {
+        self.php_class_prefix.clear();
+    }
+
+    pub fn has_php_class_prefix(&self) -> bool {
+        self.php_class_prefix.is_some()
+    }
+
+    // Param is passed by value, moved
+    pub fn set_php_class_prefix(&mut self, v: ::std::string::String) {
+        self.php_class_prefix = crate::SingularField::some(v);
+    }
+
+    // Mutable pointer to the field.
+    // If field is not initialized, it is initialized with default value first.
+    pub fn mut_php_class_prefix(&mut self) -> &mut ::std::string::String {
+        if self.php_class_prefix.is_none() {
+            self.php_class_prefix.set_default();
+        }
+        self.php_class_prefix.as_mut().unwrap()
+    }
+
+    // Take field
+    pub fn take_php_class_prefix(&mut self) -> ::std::string::String {
+        self.php_class_prefix.take().unwrap_or_else(|| ::std::string::String::new())
+    }
+
+    // optional string php_namespace = 41;
+
+
+    pub fn get_php_namespace(&self) -> &str {
+        match self.php_namespace.as_ref() {
+            Some(v) => &v,
+            None => "",
+        }
+    }
+    pub fn clear_php_namespace(&mut self) {
+        self.php_namespace.clear();
+    }
+
+    pub fn has_php_namespace(&self) -> bool {
+        self.php_namespace.is_some()
+    }
+
+    // Param is passed by value, moved
+    pub fn set_php_namespace(&mut self, v: ::std::string::String) {
+        self.php_namespace = crate::SingularField::some(v);
+    }
+
+    // Mutable pointer to the field.
+    // If field is not initialized, it is initialized with default value first.
+    pub fn mut_php_namespace(&mut self) -> &mut ::std::string::String {
+        if self.php_namespace.is_none() {
+            self.php_namespace.set_default();
+        }
+        self.php_namespace.as_mut().unwrap()
+    }
+
+    // Take field
+    pub fn take_php_namespace(&mut self) -> ::std::string::String {
+        self.php_namespace.take().unwrap_or_else(|| ::std::string::String::new())
+    }
+
+    // optional string php_metadata_namespace = 44;
+
+
+    pub fn get_php_metadata_namespace(&self) -> &str {
+        match self.php_metadata_namespace.as_ref() {
+            Some(v) => &v,
+            None => "",
+        }
+    }
+    pub fn clear_php_metadata_namespace(&mut self) {
+        self.php_metadata_namespace.clear();
+    }
+
+    pub fn has_php_metadata_namespace(&self) -> bool {
+        self.php_metadata_namespace.is_some()
+    }
+
+    // Param is passed by value, moved
+    pub fn set_php_metadata_namespace(&mut self, v: ::std::string::String) {
+        self.php_metadata_namespace = crate::SingularField::some(v);
+    }
+
+    // Mutable pointer to the field.
+    // If field is not initialized, it is initialized with default value first.
+    pub fn mut_php_metadata_namespace(&mut self) -> &mut ::std::string::String {
+        if self.php_metadata_namespace.is_none() {
+            self.php_metadata_namespace.set_default();
+        }
+        self.php_metadata_namespace.as_mut().unwrap()
+    }
+
+    // Take field
+    pub fn take_php_metadata_namespace(&mut self) -> ::std::string::String {
+        self.php_metadata_namespace.take().unwrap_or_else(|| ::std::string::String::new())
+    }
+
+    // optional string ruby_package = 45;
+
+
+    pub fn get_ruby_package(&self) -> &str {
+        match self.ruby_package.as_ref() {
+            Some(v) => &v,
+            None => "",
+        }
+    }
+    pub fn clear_ruby_package(&mut self) {
+        self.ruby_package.clear();
+    }
+
+    pub fn has_ruby_package(&self) -> bool {
+        self.ruby_package.is_some()
+    }
+
+    // Param is passed by value, moved
+    pub fn set_ruby_package(&mut self, v: ::std::string::String) {
+        self.ruby_package = crate::SingularField::some(v);
+    }
+
+    // Mutable pointer to the field.
+    // If field is not initialized, it is initialized with default value first.
+    pub fn mut_ruby_package(&mut self) -> &mut ::std::string::String {
+        if self.ruby_package.is_none() {
+            self.ruby_package.set_default();
+        }
+        self.ruby_package.as_mut().unwrap()
+    }
+
+    // Take field
+    pub fn take_ruby_package(&mut self) -> ::std::string::String {
+        self.ruby_package.take().unwrap_or_else(|| ::std::string::String::new())
+    }
+
     // repeated .google.protobuf.UninterpretedOption uninterpreted_option = 999;
 
 
@@ -4592,6 +5350,13 @@
                     let tmp = is.read_bool()?;
                     self.py_generic_services = ::std::option::Option::Some(tmp);
                 },
+                42 => {
+                    if wire_type != crate::wire_format::WireTypeVarint {
+                        return ::std::result::Result::Err(crate::rt::unexpected_wire_type(wire_type));
+                    }
+                    let tmp = is.read_bool()?;
+                    self.php_generic_services = ::std::option::Option::Some(tmp);
+                },
                 23 => {
                     if wire_type != crate::wire_format::WireTypeVarint {
                         return ::std::result::Result::Err(crate::rt::unexpected_wire_type(wire_type));
@@ -4612,6 +5377,21 @@
                 37 => {
                     crate::rt::read_singular_string_into(wire_type, is, &mut self.csharp_namespace)?;
                 },
+                39 => {
+                    crate::rt::read_singular_string_into(wire_type, is, &mut self.swift_prefix)?;
+                },
+                40 => {
+                    crate::rt::read_singular_string_into(wire_type, is, &mut self.php_class_prefix)?;
+                },
+                41 => {
+                    crate::rt::read_singular_string_into(wire_type, is, &mut self.php_namespace)?;
+                },
+                44 => {
+                    crate::rt::read_singular_string_into(wire_type, is, &mut self.php_metadata_namespace)?;
+                },
+                45 => {
+                    crate::rt::read_singular_string_into(wire_type, is, &mut self.ruby_package)?;
+                },
                 999 => {
                     crate::rt::read_repeated_message_into(wire_type, is, &mut self.uninterpreted_option)?;
                 },
@@ -4657,6 +5437,9 @@
         if let Some(v) = self.py_generic_services {
             my_size += 3;
         }
+        if let Some(v) = self.php_generic_services {
+            my_size += 3;
+        }
         if let Some(v) = self.deprecated {
             my_size += 3;
         }
@@ -4669,6 +5452,21 @@
         if let Some(ref v) = self.csharp_namespace.as_ref() {
             my_size += crate::rt::string_size(37, &v);
         }
+        if let Some(ref v) = self.swift_prefix.as_ref() {
+            my_size += crate::rt::string_size(39, &v);
+        }
+        if let Some(ref v) = self.php_class_prefix.as_ref() {
+            my_size += crate::rt::string_size(40, &v);
+        }
+        if let Some(ref v) = self.php_namespace.as_ref() {
+            my_size += crate::rt::string_size(41, &v);
+        }
+        if let Some(ref v) = self.php_metadata_namespace.as_ref() {
+            my_size += crate::rt::string_size(44, &v);
+        }
+        if let Some(ref v) = self.ruby_package.as_ref() {
+            my_size += crate::rt::string_size(45, &v);
+        }
         for value in &self.uninterpreted_option {
             let len = value.compute_size();
             my_size += 2 + crate::rt::compute_raw_varint32_size(len) + len;
@@ -4709,6 +5507,9 @@
         if let Some(v) = self.py_generic_services {
             os.write_bool(18, v)?;
         }
+        if let Some(v) = self.php_generic_services {
+            os.write_bool(42, v)?;
+        }
         if let Some(v) = self.deprecated {
             os.write_bool(23, v)?;
         }
@@ -4721,6 +5522,21 @@
         if let Some(ref v) = self.csharp_namespace.as_ref() {
             os.write_string(37, &v)?;
         }
+        if let Some(ref v) = self.swift_prefix.as_ref() {
+            os.write_string(39, &v)?;
+        }
+        if let Some(ref v) = self.php_class_prefix.as_ref() {
+            os.write_string(40, &v)?;
+        }
+        if let Some(ref v) = self.php_namespace.as_ref() {
+            os.write_string(41, &v)?;
+        }
+        if let Some(ref v) = self.php_metadata_namespace.as_ref() {
+            os.write_string(44, &v)?;
+        }
+        if let Some(ref v) = self.ruby_package.as_ref() {
+            os.write_string(45, &v)?;
+        }
         for v in &self.uninterpreted_option {
             os.write_tag(999, crate::wire_format::WireTypeLengthDelimited)?;
             os.write_raw_varint32(v.get_cached_size())?;
@@ -4815,6 +5631,11 @@
                 |m: &mut FileOptions| { &mut m.py_generic_services },
             ));
             fields.push(crate::reflect::accessor::make_option_accessor::<_, crate::types::ProtobufTypeBool>(
+                "php_generic_services",
+                |m: &FileOptions| { &m.php_generic_services },
+                |m: &mut FileOptions| { &mut m.php_generic_services },
+            ));
+            fields.push(crate::reflect::accessor::make_option_accessor::<_, crate::types::ProtobufTypeBool>(
                 "deprecated",
                 |m: &FileOptions| { &m.deprecated },
                 |m: &mut FileOptions| { &mut m.deprecated },
@@ -4834,6 +5655,31 @@
                 |m: &FileOptions| { &m.csharp_namespace },
                 |m: &mut FileOptions| { &mut m.csharp_namespace },
             ));
+            fields.push(crate::reflect::accessor::make_singular_field_accessor::<_, crate::types::ProtobufTypeString>(
+                "swift_prefix",
+                |m: &FileOptions| { &m.swift_prefix },
+                |m: &mut FileOptions| { &mut m.swift_prefix },
+            ));
+            fields.push(crate::reflect::accessor::make_singular_field_accessor::<_, crate::types::ProtobufTypeString>(
+                "php_class_prefix",
+                |m: &FileOptions| { &m.php_class_prefix },
+                |m: &mut FileOptions| { &mut m.php_class_prefix },
+            ));
+            fields.push(crate::reflect::accessor::make_singular_field_accessor::<_, crate::types::ProtobufTypeString>(
+                "php_namespace",
+                |m: &FileOptions| { &m.php_namespace },
+                |m: &mut FileOptions| { &mut m.php_namespace },
+            ));
+            fields.push(crate::reflect::accessor::make_singular_field_accessor::<_, crate::types::ProtobufTypeString>(
+                "php_metadata_namespace",
+                |m: &FileOptions| { &m.php_metadata_namespace },
+                |m: &mut FileOptions| { &mut m.php_metadata_namespace },
+            ));
+            fields.push(crate::reflect::accessor::make_singular_field_accessor::<_, crate::types::ProtobufTypeString>(
+                "ruby_package",
+                |m: &FileOptions| { &m.ruby_package },
+                |m: &mut FileOptions| { &mut m.ruby_package },
+            ));
             fields.push(crate::reflect::accessor::make_repeated_field_accessor::<_, crate::types::ProtobufTypeMessage<UninterpretedOption>>(
                 "uninterpreted_option",
                 |m: &FileOptions| { &m.uninterpreted_option },
@@ -4865,10 +5711,16 @@
         self.cc_generic_services = ::std::option::Option::None;
         self.java_generic_services = ::std::option::Option::None;
         self.py_generic_services = ::std::option::Option::None;
+        self.php_generic_services = ::std::option::Option::None;
         self.deprecated = ::std::option::Option::None;
         self.cc_enable_arenas = ::std::option::Option::None;
         self.objc_class_prefix.clear();
         self.csharp_namespace.clear();
+        self.swift_prefix.clear();
+        self.php_class_prefix.clear();
+        self.php_namespace.clear();
+        self.php_metadata_namespace.clear();
+        self.ruby_package.clear();
         self.uninterpreted_option.clear();
         self.unknown_fields.clear();
     }
@@ -4887,7 +5739,7 @@
 }
 
 #[derive(Clone,PartialEq,Eq,Debug,Hash)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub enum FileOptions_OptimizeMode {
     SPEED = 1,
     CODE_SIZE = 2,
@@ -4942,7 +5794,7 @@
 }
 
 #[derive(PartialEq,Clone,Default)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub struct MessageOptions {
     // message fields
     message_set_wire_format: ::std::option::Option<bool>,
@@ -5267,7 +6119,7 @@
 }
 
 #[derive(PartialEq,Clone,Default)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub struct FieldOptions {
     // message fields
     ctype: ::std::option::Option<FieldOptions_CType>,
@@ -5662,7 +6514,7 @@
 }
 
 #[derive(Clone,PartialEq,Eq,Debug,Hash)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub enum FieldOptions_CType {
     STRING = 0,
     CORD = 1,
@@ -5716,7 +6568,7 @@
 }
 
 #[derive(Clone,PartialEq,Eq,Debug,Hash)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub enum FieldOptions_JSType {
     JS_NORMAL = 0,
     JS_STRING = 1,
@@ -5770,7 +6622,7 @@
 }
 
 #[derive(PartialEq,Clone,Default)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub struct OneofOptions {
     // message fields
     pub uninterpreted_option: crate::RepeatedField<UninterpretedOption>,
@@ -5939,7 +6791,7 @@
 }
 
 #[derive(PartialEq,Clone,Default)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub struct EnumOptions {
     // message fields
     allow_alias: ::std::option::Option<bool>,
@@ -6186,7 +7038,7 @@
 }
 
 #[derive(PartialEq,Clone,Default)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub struct EnumValueOptions {
     // message fields
     deprecated: ::std::option::Option<bool>,
@@ -6394,7 +7246,7 @@
 }
 
 #[derive(PartialEq,Clone,Default)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub struct ServiceOptions {
     // message fields
     deprecated: ::std::option::Option<bool>,
@@ -6602,10 +7454,11 @@
 }
 
 #[derive(PartialEq,Clone,Default)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub struct MethodOptions {
     // message fields
     deprecated: ::std::option::Option<bool>,
+    idempotency_level: ::std::option::Option<MethodOptions_IdempotencyLevel>,
     pub uninterpreted_option: crate::RepeatedField<UninterpretedOption>,
     // special fields
     #[cfg_attr(feature = "with-serde", serde(skip))]
@@ -6644,6 +7497,25 @@
         self.deprecated = ::std::option::Option::Some(v);
     }
 
+    // optional .google.protobuf.MethodOptions.IdempotencyLevel idempotency_level = 34;
+
+
+    pub fn get_idempotency_level(&self) -> MethodOptions_IdempotencyLevel {
+        self.idempotency_level.unwrap_or(MethodOptions_IdempotencyLevel::IDEMPOTENCY_UNKNOWN)
+    }
+    pub fn clear_idempotency_level(&mut self) {
+        self.idempotency_level = ::std::option::Option::None;
+    }
+
+    pub fn has_idempotency_level(&self) -> bool {
+        self.idempotency_level.is_some()
+    }
+
+    // Param is passed by value, moved
+    pub fn set_idempotency_level(&mut self, v: MethodOptions_IdempotencyLevel) {
+        self.idempotency_level = ::std::option::Option::Some(v);
+    }
+
     // repeated .google.protobuf.UninterpretedOption uninterpreted_option = 999;
 
 
@@ -6691,6 +7563,9 @@
                     let tmp = is.read_bool()?;
                     self.deprecated = ::std::option::Option::Some(tmp);
                 },
+                34 => {
+                    crate::rt::read_proto2_enum_with_unknown_fields_into(wire_type, is, &mut self.idempotency_level, 34, &mut self.unknown_fields)?
+                },
                 999 => {
                     crate::rt::read_repeated_message_into(wire_type, is, &mut self.uninterpreted_option)?;
                 },
@@ -6709,6 +7584,9 @@
         if let Some(v) = self.deprecated {
             my_size += 3;
         }
+        if let Some(v) = self.idempotency_level {
+            my_size += crate::rt::enum_size(34, v);
+        }
         for value in &self.uninterpreted_option {
             let len = value.compute_size();
             my_size += 2 + crate::rt::compute_raw_varint32_size(len) + len;
@@ -6722,6 +7600,9 @@
         if let Some(v) = self.deprecated {
             os.write_bool(33, v)?;
         }
+        if let Some(v) = self.idempotency_level {
+            os.write_enum(34, crate::ProtobufEnum::value(&v))?;
+        }
         for v in &self.uninterpreted_option {
             os.write_tag(999, crate::wire_format::WireTypeLengthDelimited)?;
             os.write_raw_varint32(v.get_cached_size())?;
@@ -6770,6 +7651,11 @@
                 |m: &MethodOptions| { &m.deprecated },
                 |m: &mut MethodOptions| { &mut m.deprecated },
             ));
+            fields.push(crate::reflect::accessor::make_option_accessor::<_, crate::types::ProtobufTypeEnum<MethodOptions_IdempotencyLevel>>(
+                "idempotency_level",
+                |m: &MethodOptions| { &m.idempotency_level },
+                |m: &mut MethodOptions| { &mut m.idempotency_level },
+            ));
             fields.push(crate::reflect::accessor::make_repeated_field_accessor::<_, crate::types::ProtobufTypeMessage<UninterpretedOption>>(
                 "uninterpreted_option",
                 |m: &MethodOptions| { &m.uninterpreted_option },
@@ -6792,6 +7678,7 @@
 impl crate::Clear for MethodOptions {
     fn clear(&mut self) {
         self.deprecated = ::std::option::Option::None;
+        self.idempotency_level = ::std::option::Option::None;
         self.uninterpreted_option.clear();
         self.unknown_fields.clear();
     }
@@ -6809,8 +7696,62 @@
     }
 }
 
+#[derive(Clone,PartialEq,Eq,Debug,Hash)]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
+pub enum MethodOptions_IdempotencyLevel {
+    IDEMPOTENCY_UNKNOWN = 0,
+    NO_SIDE_EFFECTS = 1,
+    IDEMPOTENT = 2,
+}
+
+impl crate::ProtobufEnum for MethodOptions_IdempotencyLevel {
+    fn value(&self) -> i32 {
+        *self as i32
+    }
+
+    fn from_i32(value: i32) -> ::std::option::Option<MethodOptions_IdempotencyLevel> {
+        match value {
+            0 => ::std::option::Option::Some(MethodOptions_IdempotencyLevel::IDEMPOTENCY_UNKNOWN),
+            1 => ::std::option::Option::Some(MethodOptions_IdempotencyLevel::NO_SIDE_EFFECTS),
+            2 => ::std::option::Option::Some(MethodOptions_IdempotencyLevel::IDEMPOTENT),
+            _ => ::std::option::Option::None
+        }
+    }
+
+    fn values() -> &'static [Self] {
+        static values: &'static [MethodOptions_IdempotencyLevel] = &[
+            MethodOptions_IdempotencyLevel::IDEMPOTENCY_UNKNOWN,
+            MethodOptions_IdempotencyLevel::NO_SIDE_EFFECTS,
+            MethodOptions_IdempotencyLevel::IDEMPOTENT,
+        ];
+        values
+    }
+
+    fn enum_descriptor_static() -> &'static crate::reflect::EnumDescriptor {
+        static descriptor: crate::rt::LazyV2<crate::reflect::EnumDescriptor> = crate::rt::LazyV2::INIT;
+        descriptor.get(|| {
+            crate::reflect::EnumDescriptor::new_pb_name::<MethodOptions_IdempotencyLevel>("MethodOptions.IdempotencyLevel", file_descriptor_proto())
+        })
+    }
+}
+
+impl ::std::marker::Copy for MethodOptions_IdempotencyLevel {
+}
+
+impl ::std::default::Default for MethodOptions_IdempotencyLevel {
+    fn default() -> Self {
+        MethodOptions_IdempotencyLevel::IDEMPOTENCY_UNKNOWN
+    }
+}
+
+impl crate::reflect::ProtobufValue for MethodOptions_IdempotencyLevel {
+    fn as_ref(&self) -> crate::reflect::ReflectValueRef {
+        crate::reflect::ReflectValueRef::Enum(crate::ProtobufEnum::descriptor(self))
+    }
+}
+
 #[derive(PartialEq,Clone,Default)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub struct UninterpretedOption {
     // message fields
     pub name: crate::RepeatedField<UninterpretedOption_NamePart>,
@@ -7252,7 +8193,7 @@
 }
 
 #[derive(PartialEq,Clone,Default)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub struct UninterpretedOption_NamePart {
     // message fields
     name_part: crate::SingularField<::std::string::String>,
@@ -7469,7 +8410,7 @@
 }
 
 #[derive(PartialEq,Clone,Default)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub struct SourceCodeInfo {
     // message fields
     pub location: crate::RepeatedField<SourceCodeInfo_Location>,
@@ -7638,7 +8579,7 @@
 }
 
 #[derive(PartialEq,Clone,Default)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub struct SourceCodeInfo_Location {
     // message fields
     pub path: ::std::vec::Vec<i32>,
@@ -7995,7 +8936,7 @@
 }
 
 #[derive(PartialEq,Clone,Default)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub struct GeneratedCodeInfo {
     // message fields
     pub annotation: crate::RepeatedField<GeneratedCodeInfo_Annotation>,
@@ -8164,7 +9105,7 @@
 }
 
 #[derive(PartialEq,Clone,Default)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub struct GeneratedCodeInfo_Annotation {
     // message fields
     pub path: ::std::vec::Vec<i32>,
@@ -8475,7 +9416,7 @@
     sion\x126\n\x07options\x18\x08\x20\x01(\x0b2\x1c.google.protobuf.FileOpt\
     ionsR\x07options\x12I\n\x10source_code_info\x18\t\x20\x01(\x0b2\x1f.goog\
     le.protobuf.SourceCodeInfoR\x0esourceCodeInfo\x12\x16\n\x06syntax\x18\
-    \x0c\x20\x01(\tR\x06syntax\"\xf7\x05\n\x0fDescriptorProto\x12\x12\n\x04n\
+    \x0c\x20\x01(\tR\x06syntax\"\xb9\x06\n\x0fDescriptorProto\x12\x12\n\x04n\
     ame\x18\x01\x20\x01(\tR\x04name\x12;\n\x05field\x18\x02\x20\x03(\x0b2%.g\
     oogle.protobuf.FieldDescriptorProtoR\x05field\x12C\n\textension\x18\x06\
     \x20\x03(\x0b2%.google.protobuf.FieldDescriptorProtoR\textension\x12A\n\
@@ -8487,37 +9428,46 @@
     criptorProtoR\toneofDecl\x129\n\x07options\x18\x07\x20\x01(\x0b2\x1f.goo\
     gle.protobuf.MessageOptionsR\x07options\x12U\n\x0ereserved_range\x18\t\
     \x20\x03(\x0b2..google.protobuf.DescriptorProto.ReservedRangeR\rreserved\
-    Range\x12#\n\rreserved_name\x18\n\x20\x03(\tR\x0creservedName\x1a8\n\x0e\
+    Range\x12#\n\rreserved_name\x18\n\x20\x03(\tR\x0creservedName\x1az\n\x0e\
     ExtensionRange\x12\x14\n\x05start\x18\x01\x20\x01(\x05R\x05start\x12\x10\
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-    \x01(\x05R\x03end\"\x98\x06\n\x14FieldDescriptorProto\x12\x12\n\x04name\
-    \x18\x01\x20\x01(\tR\x04name\x12\x16\n\x06number\x18\x03\x20\x01(\x05R\
-    \x06number\x12A\n\x05label\x18\x04\x20\x01(\x0e2+.google.protobuf.FieldD\
-    escriptorProto.LabelR\x05label\x12>\n\x04type\x18\x05\x20\x01(\x0e2*.goo\
-    gle.protobuf.FieldDescriptorProto.TypeR\x04type\x12\x1b\n\ttype_name\x18\
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-    \x12\x1f\n\x0boneof_index\x18\t\x20\x01(\x05R\noneofIndex\x12\x1b\n\tjso\
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-    \n\x05\x04\x07\x02\x01\x01\x12\x04\xe3\x01!'\n\r\n\x05\x04\x07\x02\x01\
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-    \n\r\n\x05\x04\x07\x02\x02\x04\x12\x04\xe5\x01\x02\n\n\r\n\x05\x04\x07\
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-    \x04\xe5\x01\x1a!\n\r\n\x05\x04\x07\x02\x02\x03\x12\x04\xe5\x01$%\n0\n\
-    \x02\x04\x08\x12\x06\xe9\x01\0\xf7\x01\x01\x1a\"\x20Describes\x20a\x20me\
-    thod\x20of\x20a\x20service.\n\n\x0b\n\x03\x04\x08\x01\x12\x04\xe9\x01\
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-    \x08\x02\0\x04\x12\x04\xea\x01\x02\n\n\r\n\x05\x04\x08\x02\0\x05\x12\x04\
-    \xea\x01\x0b\x11\n\r\n\x05\x04\x08\x02\0\x01\x12\x04\xea\x01\x12\x16\n\r\
-    \n\x05\x04\x08\x02\0\x03\x12\x04\xea\x01\x19\x1a\n\x97\x01\n\x04\x04\x08\
-    \x02\x01\x12\x04\xee\x01\x02!\x1a\x88\x01\x20Input\x20and\x20output\x20t\
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+    \x06\x06\x12\x03n\x0b\x1f\n\x0c\n\x05\x04\x02\x02\x06\x01\x12\x03n\x20*\
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+    he\x20same\x20message.\x20Reserved\x20ranges\x20may\n\x20not\x20overlap.\
+    \n\n\x0c\n\x05\x04\x02\x03\x01\x01\x12\x03u\n\x17\n\x1b\n\x06\x04\x02\
+    \x03\x01\x02\0\x12\x03v\x04\x1d\"\x0c\x20Inclusive.\n\n\x0e\n\x07\x04\
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+    \x04\x02\x03\x01\x02\x01\x12\x03w\x04\x1b\"\x0c\x20Exclusive.\n\n\x0e\n\
+    \x07\x04\x02\x03\x01\x02\x01\x04\x12\x03w\x04\x0c\n\x0e\n\x07\x04\x02\
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+    \x03\x01\x12\x03\x7f\x08\x1d\nO\n\x04\x04\x03\x02\0\x12\x04\x81\x01\x02:\
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+    sage.\n\n\x0b\n\x03\x04\x04\x01\x12\x04\x89\x01\x08\x1c\n\x0e\n\x04\x04\
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+    \x20weird\x20for\x20historical\x20reasons.\n\n\x0f\n\x07\x04\x04\x04\0\
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+    \x06\x04\x04\x04\0\x02\x02\x12\x04\x91\x01\x04\x13\x1ag\x20Not\x20ZigZag\
+    \x20encoded.\x20\x20Negative\x20numbers\x20take\x2010\x20bytes.\x20\x20U\
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+    \x13\x1ag\x20Not\x20ZigZag\x20encoded.\x20\x20Negative\x20numbers\x20tak\
+    e\x2010\x20bytes.\x20\x20Use\x20TYPE_SINT32\x20if\n\x20negative\x20value\
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+    \x01\x04\x14\x1a\xd1\x01\x20Tag-delimited\x20aggregate.\n\x20Group\x20ty\
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+    roup\x20fields\x20as\x20unknown\x20fields.\n\n\x0f\n\x07\x04\x04\x04\0\
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+    \x04\x16\"\x1d\x20Length-delimited\x20aggregate.\n\n\x0f\n\x07\x04\x04\
+    \x04\0\x02\n\x01\x12\x04\x9f\x01\x04\x10\n\x0f\n\x07\x04\x04\x04\0\x02\n\
+    \x02\x12\x04\x9f\x01\x13\x15\n#\n\x06\x04\x04\x04\0\x02\x0b\x12\x04\xa2\
+    \x01\x04\x14\x1a\x13\x20New\x20in\x20version\x202.\n\n\x0f\n\x07\x04\x04\
+    \x04\0\x02\x0b\x01\x12\x04\xa2\x01\x04\x0e\n\x0f\n\x07\x04\x04\x04\0\x02\
+    \x0b\x02\x12\x04\xa2\x01\x11\x13\n\x0e\n\x06\x04\x04\x04\0\x02\x0c\x12\
+    \x04\xa3\x01\x04\x15\n\x0f\n\x07\x04\x04\x04\0\x02\x0c\x01\x12\x04\xa3\
+    \x01\x04\x0f\n\x0f\n\x07\x04\x04\x04\0\x02\x0c\x02\x12\x04\xa3\x01\x12\
+    \x14\n\x0e\n\x06\x04\x04\x04\0\x02\r\x12\x04\xa4\x01\x04\x13\n\x0f\n\x07\
+    \x04\x04\x04\0\x02\r\x01\x12\x04\xa4\x01\x04\r\n\x0f\n\x07\x04\x04\x04\0\
+    \x02\r\x02\x12\x04\xa4\x01\x10\x12\n\x0e\n\x06\x04\x04\x04\0\x02\x0e\x12\
+    \x04\xa5\x01\x04\x17\n\x0f\n\x07\x04\x04\x04\0\x02\x0e\x01\x12\x04\xa5\
+    \x01\x04\x11\n\x0f\n\x07\x04\x04\x04\0\x02\x0e\x02\x12\x04\xa5\x01\x14\
+    \x16\n\x0e\n\x06\x04\x04\x04\0\x02\x0f\x12\x04\xa6\x01\x04\x17\n\x0f\n\
+    \x07\x04\x04\x04\0\x02\x0f\x01\x12\x04\xa6\x01\x04\x11\n\x0f\n\x07\x04\
+    \x04\x04\0\x02\x0f\x02\x12\x04\xa6\x01\x14\x16\n'\n\x06\x04\x04\x04\0\
+    \x02\x10\x12\x04\xa7\x01\x04\x15\"\x17\x20Uses\x20ZigZag\x20encoding.\n\
+    \n\x0f\n\x07\x04\x04\x04\0\x02\x10\x01\x12\x04\xa7\x01\x04\x0f\n\x0f\n\
+    \x07\x04\x04\x04\0\x02\x10\x02\x12\x04\xa7\x01\x12\x14\n'\n\x06\x04\x04\
+    \x04\0\x02\x11\x12\x04\xa8\x01\x04\x15\"\x17\x20Uses\x20ZigZag\x20encodi\
+    ng.\n\n\x0f\n\x07\x04\x04\x04\0\x02\x11\x01\x12\x04\xa8\x01\x04\x0f\n\
+    \x0f\n\x07\x04\x04\x04\0\x02\x11\x02\x12\x04\xa8\x01\x12\x14\n\x0e\n\x04\
+    \x04\x04\x04\x01\x12\x06\xab\x01\x02\xb0\x01\x03\n\r\n\x05\x04\x04\x04\
+    \x01\x01\x12\x04\xab\x01\x07\x0c\n*\n\x06\x04\x04\x04\x01\x02\0\x12\x04\
+    \xad\x01\x04\x17\x1a\x1a\x200\x20is\x20reserved\x20for\x20errors\n\n\x0f\
+    \n\x07\x04\x04\x04\x01\x02\0\x01\x12\x04\xad\x01\x04\x12\n\x0f\n\x07\x04\
+    \x04\x04\x01\x02\0\x02\x12\x04\xad\x01\x15\x16\n\x0e\n\x06\x04\x04\x04\
+    \x01\x02\x01\x12\x04\xae\x01\x04\x17\n\x0f\n\x07\x04\x04\x04\x01\x02\x01\
+    \x01\x12\x04\xae\x01\x04\x12\n\x0f\n\x07\x04\x04\x04\x01\x02\x01\x02\x12\
+    \x04\xae\x01\x15\x16\n\x0e\n\x06\x04\x04\x04\x01\x02\x02\x12\x04\xaf\x01\
+    \x04\x17\n\x0f\n\x07\x04\x04\x04\x01\x02\x02\x01\x12\x04\xaf\x01\x04\x12\
+    \n\x0f\n\x07\x04\x04\x04\x01\x02\x02\x02\x12\x04\xaf\x01\x15\x16\n\x0c\n\
+    \x04\x04\x04\x02\0\x12\x04\xb2\x01\x02\x1b\n\r\n\x05\x04\x04\x02\0\x04\
+    \x12\x04\xb2\x01\x02\n\n\r\n\x05\x04\x04\x02\0\x05\x12\x04\xb2\x01\x0b\
+    \x11\n\r\n\x05\x04\x04\x02\0\x01\x12\x04\xb2\x01\x12\x16\n\r\n\x05\x04\
+    \x04\x02\0\x03\x12\x04\xb2\x01\x19\x1a\n\x0c\n\x04\x04\x04\x02\x01\x12\
+    \x04\xb3\x01\x02\x1c\n\r\n\x05\x04\x04\x02\x01\x04\x12\x04\xb3\x01\x02\n\
+    \n\r\n\x05\x04\x04\x02\x01\x05\x12\x04\xb3\x01\x0b\x10\n\r\n\x05\x04\x04\
+    \x02\x01\x01\x12\x04\xb3\x01\x11\x17\n\r\n\x05\x04\x04\x02\x01\x03\x12\
+    \x04\xb3\x01\x1a\x1b\n\x0c\n\x04\x04\x04\x02\x02\x12\x04\xb4\x01\x02\x1b\
+    \n\r\n\x05\x04\x04\x02\x02\x04\x12\x04\xb4\x01\x02\n\n\r\n\x05\x04\x04\
+    \x02\x02\x06\x12\x04\xb4\x01\x0b\x10\n\r\n\x05\x04\x04\x02\x02\x01\x12\
+    \x04\xb4\x01\x11\x16\n\r\n\x05\x04\x04\x02\x02\x03\x12\x04\xb4\x01\x19\
+    \x1a\n\x9c\x01\n\x04\x04\x04\x02\x03\x12\x04\xb8\x01\x02\x19\x1a\x8d\x01\
+    \x20If\x20type_name\x20is\x20set,\x20this\x20need\x20not\x20be\x20set.\
+    \x20\x20If\x20both\x20this\x20and\x20type_name\n\x20are\x20set,\x20this\
+    \x20must\x20be\x20one\x20of\x20TYPE_ENUM,\x20TYPE_MESSAGE\x20or\x20TYPE_\
+    GROUP.\n\n\r\n\x05\x04\x04\x02\x03\x04\x12\x04\xb8\x01\x02\n\n\r\n\x05\
+    \x04\x04\x02\x03\x06\x12\x04\xb8\x01\x0b\x0f\n\r\n\x05\x04\x04\x02\x03\
+    \x01\x12\x04\xb8\x01\x10\x14\n\r\n\x05\x04\x04\x02\x03\x03\x12\x04\xb8\
+    \x01\x17\x18\n\xb7\x02\n\x04\x04\x04\x02\x04\x12\x04\xbf\x01\x02\x20\x1a\
+    \xa8\x02\x20For\x20message\x20and\x20enum\x20types,\x20this\x20is\x20the\
+    \x20name\x20of\x20the\x20type.\x20\x20If\x20the\x20name\n\x20starts\x20w\
+    ith\x20a\x20'.',\x20it\x20is\x20fully-qualified.\x20\x20Otherwise,\x20C+\
+    +-like\x20scoping\n\x20rules\x20are\x20used\x20to\x20find\x20the\x20type\
+    \x20(i.e.\x20first\x20the\x20nested\x20types\x20within\x20this\n\x20mess\
+    age\x20are\x20searched,\x20then\x20within\x20the\x20parent,\x20on\x20up\
+    \x20to\x20the\x20root\n\x20namespace).\n\n\r\n\x05\x04\x04\x02\x04\x04\
+    \x12\x04\xbf\x01\x02\n\n\r\n\x05\x04\x04\x02\x04\x05\x12\x04\xbf\x01\x0b\
+    \x11\n\r\n\x05\x04\x04\x02\x04\x01\x12\x04\xbf\x01\x12\x1b\n\r\n\x05\x04\
+    \x04\x02\x04\x03\x12\x04\xbf\x01\x1e\x1f\n~\n\x04\x04\x04\x02\x05\x12\
+    \x04\xc3\x01\x02\x1f\x1ap\x20For\x20extensions,\x20this\x20is\x20the\x20\
+    name\x20of\x20the\x20type\x20being\x20extended.\x20\x20It\x20is\n\x20res\
+    olved\x20in\x20the\x20same\x20manner\x20as\x20type_name.\n\n\r\n\x05\x04\
+    \x04\x02\x05\x04\x12\x04\xc3\x01\x02\n\n\r\n\x05\x04\x04\x02\x05\x05\x12\
+    \x04\xc3\x01\x0b\x11\n\r\n\x05\x04\x04\x02\x05\x01\x12\x04\xc3\x01\x12\
+    \x1a\n\r\n\x05\x04\x04\x02\x05\x03\x12\x04\xc3\x01\x1d\x1e\n\xb1\x02\n\
+    \x04\x04\x04\x02\x06\x12\x04\xca\x01\x02$\x1a\xa2\x02\x20For\x20numeric\
+    \x20types,\x20contains\x20the\x20original\x20text\x20representation\x20o\
+    f\x20the\x20value.\n\x20For\x20booleans,\x20\"true\"\x20or\x20\"false\".\
+    \n\x20For\x20strings,\x20contains\x20the\x20default\x20text\x20contents\
+    \x20(not\x20escaped\x20in\x20any\x20way).\n\x20For\x20bytes,\x20contains\
+    \x20the\x20C\x20escaped\x20value.\x20\x20All\x20bytes\x20>=\x20128\x20ar\
+    e\x20escaped.\n\x20TODO(kenton):\x20\x20Base-64\x20encode?\n\n\r\n\x05\
+    \x04\x04\x02\x06\x04\x12\x04\xca\x01\x02\n\n\r\n\x05\x04\x04\x02\x06\x05\
+    \x12\x04\xca\x01\x0b\x11\n\r\n\x05\x04\x04\x02\x06\x01\x12\x04\xca\x01\
+    \x12\x1f\n\r\n\x05\x04\x04\x02\x06\x03\x12\x04\xca\x01\"#\n\x84\x01\n\
+    \x04\x04\x04\x02\x07\x12\x04\xce\x01\x02!\x1av\x20If\x20set,\x20gives\
+    \x20the\x20index\x20of\x20a\x20oneof\x20in\x20the\x20containing\x20type'\
+    s\x20oneof_decl\n\x20list.\x20\x20This\x20field\x20is\x20a\x20member\x20\
+    of\x20that\x20oneof.\n\n\r\n\x05\x04\x04\x02\x07\x04\x12\x04\xce\x01\x02\
+    \n\n\r\n\x05\x04\x04\x02\x07\x05\x12\x04\xce\x01\x0b\x10\n\r\n\x05\x04\
+    \x04\x02\x07\x01\x12\x04\xce\x01\x11\x1c\n\r\n\x05\x04\x04\x02\x07\x03\
+    \x12\x04\xce\x01\x1f\x20\n\xfa\x01\n\x04\x04\x04\x02\x08\x12\x04\xd4\x01\
+    \x02!\x1a\xeb\x01\x20JSON\x20name\x20of\x20this\x20field.\x20The\x20valu\
+    e\x20is\x20set\x20by\x20protocol\x20compiler.\x20If\x20the\n\x20user\x20\
+    has\x20set\x20a\x20\"json_name\"\x20option\x20on\x20this\x20field,\x20th\
+    at\x20option's\x20value\n\x20will\x20be\x20used.\x20Otherwise,\x20it's\
+    \x20deduced\x20from\x20the\x20field's\x20name\x20by\x20converting\n\x20i\
+    t\x20to\x20camelCase.\n\n\r\n\x05\x04\x04\x02\x08\x04\x12\x04\xd4\x01\
+    \x02\n\n\r\n\x05\x04\x04\x02\x08\x05\x12\x04\xd4\x01\x0b\x11\n\r\n\x05\
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+    \x03\x12\x04\xd4\x01\x1e\x20\n\x0c\n\x04\x04\x04\x02\t\x12\x04\xd6\x01\
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+    \x04\x02\t\x06\x12\x04\xd6\x01\x0b\x17\n\r\n\x05\x04\x04\x02\t\x01\x12\
+    \x04\xd6\x01\x18\x1f\n\r\n\x05\x04\x04\x02\t\x03\x12\x04\xd6\x01\"#\n\
+    \xb3\t\n\x04\x04\x04\x02\n\x12\x04\xed\x01\x02%\x1a\xa4\t\x20If\x20true,\
+    \x20this\x20is\x20a\x20proto3\x20\"optional\".\x20When\x20a\x20proto3\
+    \x20field\x20is\x20optional,\x20it\n\x20tracks\x20presence\x20regardless\
+    \x20of\x20field\x20type.\n\n\x20When\x20proto3_optional\x20is\x20true,\
+    \x20this\x20field\x20must\x20be\x20belong\x20to\x20a\x20oneof\x20to\n\
+    \x20signal\x20to\x20old\x20proto3\x20clients\x20that\x20presence\x20is\
+    \x20tracked\x20for\x20this\x20field.\x20This\n\x20oneof\x20is\x20known\
+    \x20as\x20a\x20\"synthetic\"\x20oneof,\x20and\x20this\x20field\x20must\
+    \x20be\x20its\x20sole\n\x20member\x20(each\x20proto3\x20optional\x20fiel\
+    d\x20gets\x20its\x20own\x20synthetic\x20oneof).\x20Synthetic\n\x20oneofs\
+    \x20exist\x20in\x20the\x20descriptor\x20only,\x20and\x20do\x20not\x20gen\
+    erate\x20any\x20API.\x20Synthetic\n\x20oneofs\x20must\x20be\x20ordered\
+    \x20after\x20all\x20\"real\"\x20oneofs.\n\n\x20For\x20message\x20fields,\
+    \x20proto3_optional\x20doesn't\x20create\x20any\x20semantic\x20change,\n\
+    \x20since\x20non-repeated\x20message\x20fields\x20always\x20track\x20pre\
+    sence.\x20However\x20it\x20still\n\x20indicates\x20the\x20semantic\x20de\
+    tail\x20of\x20whether\x20the\x20user\x20wrote\x20\"optional\"\x20or\x20n\
+    ot.\n\x20This\x20can\x20be\x20useful\x20for\x20round-tripping\x20the\x20\
+    .proto\x20file.\x20For\x20consistency\x20we\n\x20give\x20message\x20fiel\
+    ds\x20a\x20synthetic\x20oneof\x20also,\x20even\x20though\x20it\x20is\x20\
+    not\x20required\n\x20to\x20track\x20presence.\x20This\x20is\x20especiall\
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+    \x20field\x20is\x20a\x20message\x20or\x20an\x20enum,\x20so\x20it\x20must\
+    \x20always\x20create\x20a\n\x20synthetic\x20oneof.\n\n\x20Proto2\x20opti\
+    onal\x20fields\x20do\x20not\x20set\x20this\x20flag,\x20because\x20they\
+    \x20already\x20indicate\n\x20optional\x20with\x20`LABEL_OPTIONAL`.\n\n\r\
+    \n\x05\x04\x04\x02\n\x04\x12\x04\xed\x01\x02\n\n\r\n\x05\x04\x04\x02\n\
+    \x05\x12\x04\xed\x01\x0b\x0f\n\r\n\x05\x04\x04\x02\n\x01\x12\x04\xed\x01\
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+    \x05\x12\x06\xf1\x01\0\xf4\x01\x01\x1a\x14\x20Describes\x20a\x20oneof.\n\
+    \n\x0b\n\x03\x04\x05\x01\x12\x04\xf1\x01\x08\x1c\n\x0c\n\x04\x04\x05\x02\
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+    \x04\xf2\x01\x19\x1a\n\x0c\n\x04\x04\x05\x02\x01\x12\x04\xf3\x01\x02$\n\
+    \r\n\x05\x04\x05\x02\x01\x04\x12\x04\xf3\x01\x02\n\n\r\n\x05\x04\x05\x02\
+    \x01\x06\x12\x04\xf3\x01\x0b\x17\n\r\n\x05\x04\x05\x02\x01\x01\x12\x04\
+    \xf3\x01\x18\x1f\n\r\n\x05\x04\x05\x02\x01\x03\x12\x04\xf3\x01\"#\n'\n\
+    \x02\x04\x06\x12\x06\xf7\x01\0\x91\x02\x01\x1a\x19\x20Describes\x20an\
+    \x20enum\x20type.\n\n\x0b\n\x03\x04\x06\x01\x12\x04\xf7\x01\x08\x1b\n\
+    \x0c\n\x04\x04\x06\x02\0\x12\x04\xf8\x01\x02\x1b\n\r\n\x05\x04\x06\x02\0\
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+    \x04\x06\x02\0\x03\x12\x04\xf8\x01\x19\x1a\n\x0c\n\x04\x04\x06\x02\x01\
+    \x12\x04\xfa\x01\x02.\n\r\n\x05\x04\x06\x02\x01\x04\x12\x04\xfa\x01\x02\
+    \n\n\r\n\x05\x04\x06\x02\x01\x06\x12\x04\xfa\x01\x0b#\n\r\n\x05\x04\x06\
+    \x02\x01\x01\x12\x04\xfa\x01$)\n\r\n\x05\x04\x06\x02\x01\x03\x12\x04\xfa\
+    \x01,-\n\x0c\n\x04\x04\x06\x02\x02\x12\x04\xfc\x01\x02#\n\r\n\x05\x04\
+    \x06\x02\x02\x04\x12\x04\xfc\x01\x02\n\n\r\n\x05\x04\x06\x02\x02\x06\x12\
+    \x04\xfc\x01\x0b\x16\n\r\n\x05\x04\x06\x02\x02\x01\x12\x04\xfc\x01\x17\
+    \x1e\n\r\n\x05\x04\x06\x02\x02\x03\x12\x04\xfc\x01!\"\n\xaf\x02\n\x04\
+    \x04\x06\x03\0\x12\x06\x84\x02\x02\x87\x02\x03\x1a\x9e\x02\x20Range\x20o\
+    f\x20reserved\x20numeric\x20values.\x20Reserved\x20values\x20may\x20not\
+    \x20be\x20used\x20by\n\x20entries\x20in\x20the\x20same\x20enum.\x20Reser\
+    ved\x20ranges\x20may\x20not\x20overlap.\n\n\x20Note\x20that\x20this\x20i\
+    s\x20distinct\x20from\x20DescriptorProto.ReservedRange\x20in\x20that\x20\
+    it\n\x20is\x20inclusive\x20such\x20that\x20it\x20can\x20appropriately\
+    \x20represent\x20the\x20entire\x20int32\n\x20domain.\n\n\r\n\x05\x04\x06\
+    \x03\0\x01\x12\x04\x84\x02\n\x1b\n\x1c\n\x06\x04\x06\x03\0\x02\0\x12\x04\
+    \x85\x02\x04\x1d\"\x0c\x20Inclusive.\n\n\x0f\n\x07\x04\x06\x03\0\x02\0\
+    \x04\x12\x04\x85\x02\x04\x0c\n\x0f\n\x07\x04\x06\x03\0\x02\0\x05\x12\x04\
+    \x85\x02\r\x12\n\x0f\n\x07\x04\x06\x03\0\x02\0\x01\x12\x04\x85\x02\x13\
+    \x18\n\x0f\n\x07\x04\x06\x03\0\x02\0\x03\x12\x04\x85\x02\x1b\x1c\n\x1c\n\
+    \x06\x04\x06\x03\0\x02\x01\x12\x04\x86\x02\x04\x1b\"\x0c\x20Inclusive.\n\
+    \n\x0f\n\x07\x04\x06\x03\0\x02\x01\x04\x12\x04\x86\x02\x04\x0c\n\x0f\n\
+    \x07\x04\x06\x03\0\x02\x01\x05\x12\x04\x86\x02\r\x12\n\x0f\n\x07\x04\x06\
+    \x03\0\x02\x01\x01\x12\x04\x86\x02\x13\x16\n\x0f\n\x07\x04\x06\x03\0\x02\
+    \x01\x03\x12\x04\x86\x02\x19\x1a\n\xaa\x01\n\x04\x04\x06\x02\x03\x12\x04\
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+    \x20an\n\x20extension\x20(denoted\x20with\x20parentheses\x20in\x20option\
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+    ,\x20[\"bar.baz\",\x20true],\x20[\"qux\",\x20false]\x20}\x20represents\n\
+    \x20\"foo.(bar.baz).qux\".\n\n\r\n\x05\x04\x12\x03\0\x01\x12\x04\xdc\x05\
+    \n\x12\n\x0e\n\x06\x04\x12\x03\0\x02\0\x12\x04\xdd\x05\x04\"\n\x0f\n\x07\
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+    \x07\x04\x12\x03\0\x02\x01\x04\x12\x04\xde\x05\x04\x0c\n\x0f\n\x07\x04\
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+    \x03\x12\x04\xde\x05!\"\n\x0c\n\x04\x04\x12\x02\0\x12\x04\xe0\x05\x02\
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+    \x20value\x20of\x20the\x20uninterpreted\x20option,\x20in\x20whatever\x20\
+    type\x20the\x20tokenizer\n\x20identified\x20it\x20as\x20during\x20parsin\
+    g.\x20Exactly\x20one\x20of\x20these\x20should\x20be\x20set.\n\n\r\n\x05\
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+    \x04\x04\x12\x04\xe7\x05\x02\n\n\r\n\x05\x04\x12\x02\x04\x05\x12\x04\xe7\
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+    \x05\x04\x12\x02\x04\x03\x12\x04\xe7\x05!\"\n\x0c\n\x04\x04\x12\x02\x05\
+    \x12\x04\xe8\x05\x02\"\n\r\n\x05\x04\x12\x02\x05\x04\x12\x04\xe8\x05\x02\
+    \n\n\r\n\x05\x04\x12\x02\x05\x05\x12\x04\xe8\x05\x0b\x10\n\r\n\x05\x04\
+    \x12\x02\x05\x01\x12\x04\xe8\x05\x11\x1d\n\r\n\x05\x04\x12\x02\x05\x03\
+    \x12\x04\xe8\x05\x20!\n\x0c\n\x04\x04\x12\x02\x06\x12\x04\xe9\x05\x02&\n\
+    \r\n\x05\x04\x12\x02\x06\x04\x12\x04\xe9\x05\x02\n\n\r\n\x05\x04\x12\x02\
+    \x06\x05\x12\x04\xe9\x05\x0b\x11\n\r\n\x05\x04\x12\x02\x06\x01\x12\x04\
+    \xe9\x05\x12!\n\r\n\x05\x04\x12\x02\x06\x03\x12\x04\xe9\x05$%\n\xda\x01\
+    \n\x02\x04\x13\x12\x06\xf1\x05\0\xf2\x06\x01\x1aj\x20Encapsulates\x20inf\
+    ormation\x20about\x20the\x20original\x20source\x20file\x20from\x20which\
+    \x20a\n\x20FileDescriptorProto\x20was\x20generated.\n2`\x20=============\
+    ======================================================\n\x20Optional\x20\
+    source\x20code\x20info\n\n\x0b\n\x03\x04\x13\x01\x12\x04\xf1\x05\x08\x16\
+    \n\x82\x11\n\x04\x04\x13\x02\0\x12\x04\x9d\x06\x02!\x1a\xf3\x10\x20A\x20\
+    Location\x20identifies\x20a\x20piece\x20of\x20source\x20code\x20in\x20a\
+    \x20.proto\x20file\x20which\n\x20corresponds\x20to\x20a\x20particular\
+    \x20definition.\x20\x20This\x20information\x20is\x20intended\n\x20to\x20\
+    be\x20useful\x20to\x20IDEs,\x20code\x20indexers,\x20documentation\x20gen\
+    erators,\x20and\x20similar\n\x20tools.\n\n\x20For\x20example,\x20say\x20\
+    we\x20have\x20a\x20file\x20like:\n\x20\x20\x20message\x20Foo\x20{\n\x20\
+    \x20\x20\x20\x20optional\x20string\x20foo\x20=\x201;\n\x20\x20\x20}\n\
+    \x20Let's\x20look\x20at\x20just\x20the\x20field\x20definition:\n\x20\x20\
+    \x20optional\x20string\x20foo\x20=\x201;\n\x20\x20\x20^\x20\x20\x20\x20\
+    \x20\x20\x20^^\x20\x20\x20\x20\x20^^\x20\x20^\x20\x20^^^\n\x20\x20\x20a\
+    \x20\x20\x20\x20\x20\x20\x20bc\x20\x20\x20\x20\x20de\x20\x20f\x20\x20ghi\
+    \n\x20We\x20have\x20the\x20following\x20locations:\n\x20\x20\x20span\x20\
+    \x20\x20path\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\
+    represents\n\x20\x20\x20[a,i)\x20\x20[\x204,\x200,\x202,\x200\x20]\x20\
+    \x20\x20\x20\x20The\x20whole\x20field\x20definition.\n\x20\x20\x20[a,b)\
+    \x20\x20[\x204,\x200,\x202,\x200,\x204\x20]\x20\x20The\x20label\x20(opti\
+    onal).\n\x20\x20\x20[c,d)\x20\x20[\x204,\x200,\x202,\x200,\x205\x20]\x20\
+    \x20The\x20type\x20(string).\n\x20\x20\x20[e,f)\x20\x20[\x204,\x200,\x20\
+    2,\x200,\x201\x20]\x20\x20The\x20name\x20(foo).\n\x20\x20\x20[g,h)\x20\
+    \x20[\x204,\x200,\x202,\x200,\x203\x20]\x20\x20The\x20number\x20(1).\n\n\
+    \x20Notes:\n\x20-\x20A\x20location\x20may\x20refer\x20to\x20a\x20repeate\
+    d\x20field\x20itself\x20(i.e.\x20not\x20to\x20any\n\x20\x20\x20particula\
+    r\x20index\x20within\x20it).\x20\x20This\x20is\x20used\x20whenever\x20a\
+    \x20set\x20of\x20elements\x20are\n\x20\x20\x20logically\x20enclosed\x20i\
+    n\x20a\x20single\x20code\x20segment.\x20\x20For\x20example,\x20an\x20ent\
+    ire\n\x20\x20\x20extend\x20block\x20(possibly\x20containing\x20multiple\
+    \x20extension\x20definitions)\x20will\n\x20\x20\x20have\x20an\x20outer\
+    \x20location\x20whose\x20path\x20refers\x20to\x20the\x20\"extensions\"\
+    \x20repeated\n\x20\x20\x20field\x20without\x20an\x20index.\n\x20-\x20Mul\
+    tiple\x20locations\x20may\x20have\x20the\x20same\x20path.\x20\x20This\
+    \x20happens\x20when\x20a\x20single\n\x20\x20\x20logical\x20declaration\
+    \x20is\x20spread\x20out\x20across\x20multiple\x20places.\x20\x20The\x20m\
+    ost\n\x20\x20\x20obvious\x20example\x20is\x20the\x20\"extend\"\x20block\
+    \x20again\x20--\x20there\x20may\x20be\x20multiple\n\x20\x20\x20extend\
+    \x20blocks\x20in\x20the\x20same\x20scope,\x20each\x20of\x20which\x20will\
+    \x20have\x20the\x20same\x20path.\n\x20-\x20A\x20location's\x20span\x20is\
+    \x20not\x20always\x20a\x20subset\x20of\x20its\x20parent's\x20span.\x20\
+    \x20For\n\x20\x20\x20example,\x20the\x20\"extendee\"\x20of\x20an\x20exte\
+    nsion\x20declaration\x20appears\x20at\x20the\n\x20\x20\x20beginning\x20o\
+    f\x20the\x20\"extend\"\x20block\x20and\x20is\x20shared\x20by\x20all\x20e\
+    xtensions\x20within\n\x20\x20\x20the\x20block.\n\x20-\x20Just\x20because\
+    \x20a\x20location's\x20span\x20is\x20a\x20subset\x20of\x20some\x20other\
+    \x20location's\x20span\n\x20\x20\x20does\x20not\x20mean\x20that\x20it\
+    \x20is\x20a\x20descendant.\x20\x20For\x20example,\x20a\x20\"group\"\x20d\
+    efines\n\x20\x20\x20both\x20a\x20type\x20and\x20a\x20field\x20in\x20a\
+    \x20single\x20declaration.\x20\x20Thus,\x20the\x20locations\n\x20\x20\
+    \x20corresponding\x20to\x20the\x20type\x20and\x20field\x20and\x20their\
+    \x20components\x20will\x20overlap.\n\x20-\x20Code\x20which\x20tries\x20t\
+    o\x20interpret\x20locations\x20should\x20probably\x20be\x20designed\x20t\
+    o\n\x20\x20\x20ignore\x20those\x20that\x20it\x20doesn't\x20understand,\
+    \x20as\x20more\x20types\x20of\x20locations\x20could\n\x20\x20\x20be\x20r\
+    ecorded\x20in\x20the\x20future.\n\n\r\n\x05\x04\x13\x02\0\x04\x12\x04\
+    \x9d\x06\x02\n\n\r\n\x05\x04\x13\x02\0\x06\x12\x04\x9d\x06\x0b\x13\n\r\n\
+    \x05\x04\x13\x02\0\x01\x12\x04\x9d\x06\x14\x1c\n\r\n\x05\x04\x13\x02\0\
+    \x03\x12\x04\x9d\x06\x1f\x20\n\x0e\n\x04\x04\x13\x03\0\x12\x06\x9e\x06\
+    \x02\xf1\x06\x03\n\r\n\x05\x04\x13\x03\0\x01\x12\x04\x9e\x06\n\x12\n\x83\
+    \x07\n\x06\x04\x13\x03\0\x02\0\x12\x04\xb6\x06\x04,\x1a\xf2\x06\x20Ident\
     ifies\x20which\x20part\x20of\x20the\x20FileDescriptorProto\x20was\x20def\
     ined\x20at\x20this\n\x20location.\n\n\x20Each\x20element\x20is\x20a\x20f\
     ield\x20number\x20or\x20an\x20index.\x20\x20They\x20form\x20a\x20path\
@@ -9613,12 +10734,12 @@
     lement:\n\x20\x20\x20[\x204,\x203,\x202,\x207\x20]\n\x20this\x20path\x20\
     refers\x20to\x20the\x20whole\x20field\x20declaration\x20(from\x20the\x20\
     beginning\n\x20of\x20the\x20label\x20to\x20the\x20terminating\x20semicol\
-    on).\n\n\x0f\n\x07\x04\x12\x03\0\x02\0\x04\x12\x04\xcd\x05\x04\x0c\n\x0f\
-    \n\x07\x04\x12\x03\0\x02\0\x05\x12\x04\xcd\x05\r\x12\n\x0f\n\x07\x04\x12\
-    \x03\0\x02\0\x01\x12\x04\xcd\x05\x13\x17\n\x0f\n\x07\x04\x12\x03\0\x02\0\
-    \x03\x12\x04\xcd\x05\x1a\x1b\n\x0f\n\x07\x04\x12\x03\0\x02\0\x08\x12\x04\
-    \xcd\x05\x1c)\n\x10\n\x08\x04\x12\x03\0\x02\0\x08\x02\x12\x04\xcd\x05\
-    \x1d(\n\xd2\x02\n\x06\x04\x12\x03\0\x02\x01\x12\x04\xd4\x05\x04*\x1a\xc1\
+    on).\n\n\x0f\n\x07\x04\x13\x03\0\x02\0\x04\x12\x04\xb6\x06\x04\x0c\n\x0f\
+    \n\x07\x04\x13\x03\0\x02\0\x05\x12\x04\xb6\x06\r\x12\n\x0f\n\x07\x04\x13\
+    \x03\0\x02\0\x01\x12\x04\xb6\x06\x13\x17\n\x0f\n\x07\x04\x13\x03\0\x02\0\
+    \x03\x12\x04\xb6\x06\x1a\x1b\n\x0f\n\x07\x04\x13\x03\0\x02\0\x08\x12\x04\
+    \xb6\x06\x1c+\n\x10\n\x08\x04\x13\x03\0\x02\0\x08\x02\x12\x04\xb6\x06\
+    \x1d*\n\xd2\x02\n\x06\x04\x13\x03\0\x02\x01\x12\x04\xbd\x06\x04,\x1a\xc1\
     \x02\x20Always\x20has\x20exactly\x20three\x20or\x20four\x20elements:\x20\
     start\x20line,\x20start\x20column,\n\x20end\x20line\x20(optional,\x20oth\
     erwise\x20assumed\x20same\x20as\x20start\x20line),\x20end\x20column.\n\
@@ -9626,12 +10747,12 @@
     iciency.\x20\x20Note\x20that\x20line\n\x20and\x20column\x20numbers\x20ar\
     e\x20zero-based\x20--\x20typically\x20you\x20will\x20want\x20to\x20add\n\
     \x201\x20to\x20each\x20before\x20displaying\x20to\x20a\x20user.\n\n\x0f\
-    \n\x07\x04\x12\x03\0\x02\x01\x04\x12\x04\xd4\x05\x04\x0c\n\x0f\n\x07\x04\
-    \x12\x03\0\x02\x01\x05\x12\x04\xd4\x05\r\x12\n\x0f\n\x07\x04\x12\x03\0\
-    \x02\x01\x01\x12\x04\xd4\x05\x13\x17\n\x0f\n\x07\x04\x12\x03\0\x02\x01\
-    \x03\x12\x04\xd4\x05\x1a\x1b\n\x0f\n\x07\x04\x12\x03\0\x02\x01\x08\x12\
-    \x04\xd4\x05\x1c)\n\x10\n\x08\x04\x12\x03\0\x02\x01\x08\x02\x12\x04\xd4\
-    \x05\x1d(\n\xa5\x0c\n\x06\x04\x12\x03\0\x02\x02\x12\x04\x85\x06\x04)\x1a\
+    \n\x07\x04\x13\x03\0\x02\x01\x04\x12\x04\xbd\x06\x04\x0c\n\x0f\n\x07\x04\
+    \x13\x03\0\x02\x01\x05\x12\x04\xbd\x06\r\x12\n\x0f\n\x07\x04\x13\x03\0\
+    \x02\x01\x01\x12\x04\xbd\x06\x13\x17\n\x0f\n\x07\x04\x13\x03\0\x02\x01\
+    \x03\x12\x04\xbd\x06\x1a\x1b\n\x0f\n\x07\x04\x13\x03\0\x02\x01\x08\x12\
+    \x04\xbd\x06\x1c+\n\x10\n\x08\x04\x13\x03\0\x02\x01\x08\x02\x12\x04\xbd\
+    \x06\x1d*\n\xa5\x0c\n\x06\x04\x13\x03\0\x02\x02\x12\x04\xee\x06\x04)\x1a\
     \x94\x0c\x20If\x20this\x20SourceCodeInfo\x20represents\x20a\x20complete\
     \x20declaration,\x20these\x20are\x20any\n\x20comments\x20appearing\x20be\
     fore\x20and\x20after\x20the\x20declaration\x20which\x20appear\x20to\x20b\
@@ -9667,61 +10788,61 @@
     \x20removed.\x20*/\n\x20\x20\x20/*\x20Block\x20comment\x20attached\x20to\
     \n\x20\x20\x20\x20*\x20grault.\x20*/\n\x20\x20\x20optional\x20int32\x20g\
     rault\x20=\x206;\n\n\x20\x20\x20//\x20ignored\x20detached\x20comments.\n\
-    \n\x0f\n\x07\x04\x12\x03\0\x02\x02\x04\x12\x04\x85\x06\x04\x0c\n\x0f\n\
-    \x07\x04\x12\x03\0\x02\x02\x05\x12\x04\x85\x06\r\x13\n\x0f\n\x07\x04\x12\
-    \x03\0\x02\x02\x01\x12\x04\x85\x06\x14$\n\x0f\n\x07\x04\x12\x03\0\x02\
-    \x02\x03\x12\x04\x85\x06'(\n\x0e\n\x06\x04\x12\x03\0\x02\x03\x12\x04\x86\
-    \x06\x04*\n\x0f\n\x07\x04\x12\x03\0\x02\x03\x04\x12\x04\x86\x06\x04\x0c\
-    \n\x0f\n\x07\x04\x12\x03\0\x02\x03\x05\x12\x04\x86\x06\r\x13\n\x0f\n\x07\
-    \x04\x12\x03\0\x02\x03\x01\x12\x04\x86\x06\x14%\n\x0f\n\x07\x04\x12\x03\
-    \0\x02\x03\x03\x12\x04\x86\x06()\n\x0e\n\x06\x04\x12\x03\0\x02\x04\x12\
-    \x04\x87\x06\x042\n\x0f\n\x07\x04\x12\x03\0\x02\x04\x04\x12\x04\x87\x06\
-    \x04\x0c\n\x0f\n\x07\x04\x12\x03\0\x02\x04\x05\x12\x04\x87\x06\r\x13\n\
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-    \x06\x8e\x06\0\xa3\x06\x01\x1a\xdf\x01\x20Describes\x20the\x20relationsh\
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     \x20file.\x20A\x20GeneratedCodeInfo\x20message\x20is\x20associated\x20wi\
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-    \x8f\x01\n\x06\x04\x13\x03\0\x02\0\x12\x04\x95\x06\x04*\x1a\x7f\x20Ident\
+    of\x20its\x20generating\x20.proto\x20file.\n\n\r\n\x05\x04\x14\x02\0\x04\
+    \x12\x04\xfa\x06\x02\n\n\r\n\x05\x04\x14\x02\0\x06\x12\x04\xfa\x06\x0b\
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     ifies\x20the\x20element\x20in\x20the\x20original\x20source\x20.proto\x20\
     file.\x20This\x20field\n\x20is\x20formatted\x20the\x20same\x20as\x20Sour\
-    ceCodeInfo.Location.path.\n\n\x0f\n\x07\x04\x13\x03\0\x02\0\x04\x12\x04\
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-    \x20original\x20source\x20.proto.\n\n\x0f\n\x07\x04\x13\x03\0\x02\x01\
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-    \x06\x04\x13\x03\0\x02\x02\x12\x04\x9c\x06\x04\x1d\x1ag\x20Identifies\
+    ceCodeInfo.Location.path.\n\n\x0f\n\x07\x04\x14\x03\0\x02\0\x04\x12\x04\
+    \xfe\x06\x04\x0c\n\x0f\n\x07\x04\x14\x03\0\x02\0\x05\x12\x04\xfe\x06\r\
+    \x12\n\x0f\n\x07\x04\x14\x03\0\x02\0\x01\x12\x04\xfe\x06\x13\x17\n\x0f\n\
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+    \x07\x04$\x1a?\x20Identifies\x20the\x20filesystem\x20path\x20to\x20the\
+    \x20original\x20source\x20.proto.\n\n\x0f\n\x07\x04\x14\x03\0\x02\x01\
+    \x04\x12\x04\x81\x07\x04\x0c\n\x0f\n\x07\x04\x14\x03\0\x02\x01\x05\x12\
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-    \x04\xa1\x06\x04\x1b\x1a\xca\x01\x20Identifies\x20the\x20ending\x20offse\
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+    \0\x02\x02\x01\x12\x04\x85\x07\x13\x18\n\x0f\n\x07\x04\x14\x03\0\x02\x02\
+    \x03\x12\x04\x85\x07\x1b\x1c\n\xdb\x01\n\x06\x04\x14\x03\0\x02\x03\x12\
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+    \x02\x03\x01\x12\x04\x8a\x07\x13\x16\n\x0f\n\x07\x04\x14\x03\0\x02\x03\
+    \x03\x12\x04\x8a\x07\x19\x1a\
 ";
 
 static file_descriptor_proto_lazy: crate::rt::LazyV2<crate::descriptor::FileDescriptorProto> = crate::rt::LazyV2::INIT;
diff --git a/src/plugin.rs b/src/plugin.rs
index 904b0f1..007378f 100644
--- a/src/plugin.rs
+++ b/src/plugin.rs
@@ -1,4 +1,4 @@
-// This file is generated by rust-protobuf 2.19.0-pre. Do not edit
+// This file is generated by rust-protobuf 2.22.0-pre. Do not edit
 // @generated
 
 // https://github.com/rust-lang/rust-clippy/issues/702
@@ -20,12 +20,302 @@
 //! Generated file from `google/protobuf/compiler/plugin.proto`
 
 #[derive(PartialEq,Clone,Default)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
+pub struct Version {
+    // message fields
+    major: ::std::option::Option<i32>,
+    minor: ::std::option::Option<i32>,
+    patch: ::std::option::Option<i32>,
+    suffix: crate::SingularField<::std::string::String>,
+    // special fields
+    #[cfg_attr(feature = "with-serde", serde(skip))]
+    pub unknown_fields: crate::UnknownFields,
+    #[cfg_attr(feature = "with-serde", serde(skip))]
+    pub cached_size: crate::CachedSize,
+}
+
+impl<'a> ::std::default::Default for &'a Version {
+    fn default() -> &'a Version {
+        <Version as crate::Message>::default_instance()
+    }
+}
+
+impl Version {
+    pub fn new() -> Version {
+        ::std::default::Default::default()
+    }
+
+    // optional int32 major = 1;
+
+
+    pub fn get_major(&self) -> i32 {
+        self.major.unwrap_or(0)
+    }
+    pub fn clear_major(&mut self) {
+        self.major = ::std::option::Option::None;
+    }
+
+    pub fn has_major(&self) -> bool {
+        self.major.is_some()
+    }
+
+    // Param is passed by value, moved
+    pub fn set_major(&mut self, v: i32) {
+        self.major = ::std::option::Option::Some(v);
+    }
+
+    // optional int32 minor = 2;
+
+
+    pub fn get_minor(&self) -> i32 {
+        self.minor.unwrap_or(0)
+    }
+    pub fn clear_minor(&mut self) {
+        self.minor = ::std::option::Option::None;
+    }
+
+    pub fn has_minor(&self) -> bool {
+        self.minor.is_some()
+    }
+
+    // Param is passed by value, moved
+    pub fn set_minor(&mut self, v: i32) {
+        self.minor = ::std::option::Option::Some(v);
+    }
+
+    // optional int32 patch = 3;
+
+
+    pub fn get_patch(&self) -> i32 {
+        self.patch.unwrap_or(0)
+    }
+    pub fn clear_patch(&mut self) {
+        self.patch = ::std::option::Option::None;
+    }
+
+    pub fn has_patch(&self) -> bool {
+        self.patch.is_some()
+    }
+
+    // Param is passed by value, moved
+    pub fn set_patch(&mut self, v: i32) {
+        self.patch = ::std::option::Option::Some(v);
+    }
+
+    // optional string suffix = 4;
+
+
+    pub fn get_suffix(&self) -> &str {
+        match self.suffix.as_ref() {
+            Some(v) => &v,
+            None => "",
+        }
+    }
+    pub fn clear_suffix(&mut self) {
+        self.suffix.clear();
+    }
+
+    pub fn has_suffix(&self) -> bool {
+        self.suffix.is_some()
+    }
+
+    // Param is passed by value, moved
+    pub fn set_suffix(&mut self, v: ::std::string::String) {
+        self.suffix = crate::SingularField::some(v);
+    }
+
+    // Mutable pointer to the field.
+    // If field is not initialized, it is initialized with default value first.
+    pub fn mut_suffix(&mut self) -> &mut ::std::string::String {
+        if self.suffix.is_none() {
+            self.suffix.set_default();
+        }
+        self.suffix.as_mut().unwrap()
+    }
+
+    // Take field
+    pub fn take_suffix(&mut self) -> ::std::string::String {
+        self.suffix.take().unwrap_or_else(|| ::std::string::String::new())
+    }
+}
+
+impl crate::Message for Version {
+    fn is_initialized(&self) -> bool {
+        true
+    }
+
+    fn merge_from(&mut self, is: &mut crate::CodedInputStream<'_>) -> crate::ProtobufResult<()> {
+        while !is.eof()? {
+            let (field_number, wire_type) = is.read_tag_unpack()?;
+            match field_number {
+                1 => {
+                    if wire_type != crate::wire_format::WireTypeVarint {
+                        return ::std::result::Result::Err(crate::rt::unexpected_wire_type(wire_type));
+                    }
+                    let tmp = is.read_int32()?;
+                    self.major = ::std::option::Option::Some(tmp);
+                },
+                2 => {
+                    if wire_type != crate::wire_format::WireTypeVarint {
+                        return ::std::result::Result::Err(crate::rt::unexpected_wire_type(wire_type));
+                    }
+                    let tmp = is.read_int32()?;
+                    self.minor = ::std::option::Option::Some(tmp);
+                },
+                3 => {
+                    if wire_type != crate::wire_format::WireTypeVarint {
+                        return ::std::result::Result::Err(crate::rt::unexpected_wire_type(wire_type));
+                    }
+                    let tmp = is.read_int32()?;
+                    self.patch = ::std::option::Option::Some(tmp);
+                },
+                4 => {
+                    crate::rt::read_singular_string_into(wire_type, is, &mut self.suffix)?;
+                },
+                _ => {
+                    crate::rt::read_unknown_or_skip_group(field_number, wire_type, is, self.mut_unknown_fields())?;
+                },
+            };
+        }
+        ::std::result::Result::Ok(())
+    }
+
+    // Compute sizes of nested messages
+    #[allow(unused_variables)]
+    fn compute_size(&self) -> u32 {
+        let mut my_size = 0;
+        if let Some(v) = self.major {
+            my_size += crate::rt::value_size(1, v, crate::wire_format::WireTypeVarint);
+        }
+        if let Some(v) = self.minor {
+            my_size += crate::rt::value_size(2, v, crate::wire_format::WireTypeVarint);
+        }
+        if let Some(v) = self.patch {
+            my_size += crate::rt::value_size(3, v, crate::wire_format::WireTypeVarint);
+        }
+        if let Some(ref v) = self.suffix.as_ref() {
+            my_size += crate::rt::string_size(4, &v);
+        }
+        my_size += crate::rt::unknown_fields_size(self.get_unknown_fields());
+        self.cached_size.set(my_size);
+        my_size
+    }
+
+    fn write_to_with_cached_sizes(&self, os: &mut crate::CodedOutputStream<'_>) -> crate::ProtobufResult<()> {
+        if let Some(v) = self.major {
+            os.write_int32(1, v)?;
+        }
+        if let Some(v) = self.minor {
+            os.write_int32(2, v)?;
+        }
+        if let Some(v) = self.patch {
+            os.write_int32(3, v)?;
+        }
+        if let Some(ref v) = self.suffix.as_ref() {
+            os.write_string(4, &v)?;
+        }
+        os.write_unknown_fields(self.get_unknown_fields())?;
+        ::std::result::Result::Ok(())
+    }
+
+    fn get_cached_size(&self) -> u32 {
+        self.cached_size.get()
+    }
+
+    fn get_unknown_fields(&self) -> &crate::UnknownFields {
+        &self.unknown_fields
+    }
+
+    fn mut_unknown_fields(&mut self) -> &mut crate::UnknownFields {
+        &mut self.unknown_fields
+    }
+
+    fn as_any(&self) -> &dyn (::std::any::Any) {
+        self as &dyn (::std::any::Any)
+    }
+    fn as_any_mut(&mut self) -> &mut dyn (::std::any::Any) {
+        self as &mut dyn (::std::any::Any)
+    }
+    fn into_any(self: ::std::boxed::Box<Self>) -> ::std::boxed::Box<dyn (::std::any::Any)> {
+        self
+    }
+
+    fn descriptor(&self) -> &'static crate::reflect::MessageDescriptor {
+        Self::descriptor_static()
+    }
+
+    fn new() -> Version {
+        Version::new()
+    }
+
+    fn descriptor_static() -> &'static crate::reflect::MessageDescriptor {
+        static descriptor: crate::rt::LazyV2<crate::reflect::MessageDescriptor> = crate::rt::LazyV2::INIT;
+        descriptor.get(|| {
+            let mut fields = ::std::vec::Vec::new();
+            fields.push(crate::reflect::accessor::make_option_accessor::<_, crate::types::ProtobufTypeInt32>(
+                "major",
+                |m: &Version| { &m.major },
+                |m: &mut Version| { &mut m.major },
+            ));
+            fields.push(crate::reflect::accessor::make_option_accessor::<_, crate::types::ProtobufTypeInt32>(
+                "minor",
+                |m: &Version| { &m.minor },
+                |m: &mut Version| { &mut m.minor },
+            ));
+            fields.push(crate::reflect::accessor::make_option_accessor::<_, crate::types::ProtobufTypeInt32>(
+                "patch",
+                |m: &Version| { &m.patch },
+                |m: &mut Version| { &mut m.patch },
+            ));
+            fields.push(crate::reflect::accessor::make_singular_field_accessor::<_, crate::types::ProtobufTypeString>(
+                "suffix",
+                |m: &Version| { &m.suffix },
+                |m: &mut Version| { &mut m.suffix },
+            ));
+            crate::reflect::MessageDescriptor::new_pb_name::<Version>(
+                "Version",
+                fields,
+                file_descriptor_proto()
+            )
+        })
+    }
+
+    fn default_instance() -> &'static Version {
+        static instance: crate::rt::LazyV2<Version> = crate::rt::LazyV2::INIT;
+        instance.get(Version::new)
+    }
+}
+
+impl crate::Clear for Version {
+    fn clear(&mut self) {
+        self.major = ::std::option::Option::None;
+        self.minor = ::std::option::Option::None;
+        self.patch = ::std::option::Option::None;
+        self.suffix.clear();
+        self.unknown_fields.clear();
+    }
+}
+
+impl ::std::fmt::Debug for Version {
+    fn fmt(&self, f: &mut ::std::fmt::Formatter<'_>) -> ::std::fmt::Result {
+        crate::text_format::fmt(self, f)
+    }
+}
+
+impl crate::reflect::ProtobufValue for Version {
+    fn as_ref(&self) -> crate::reflect::ReflectValueRef {
+        crate::reflect::ReflectValueRef::Message(self)
+    }
+}
+
+#[derive(PartialEq,Clone,Default)]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub struct CodeGeneratorRequest {
     // message fields
     pub file_to_generate: crate::RepeatedField<::std::string::String>,
     parameter: crate::SingularField<::std::string::String>,
     pub proto_file: crate::RepeatedField<crate::descriptor::FileDescriptorProto>,
+    pub compiler_version: crate::SingularPtrField<Version>,
     // special fields
     #[cfg_attr(feature = "with-serde", serde(skip))]
     pub unknown_fields: crate::UnknownFields,
@@ -129,6 +419,39 @@
     pub fn take_proto_file(&mut self) -> crate::RepeatedField<crate::descriptor::FileDescriptorProto> {
         ::std::mem::replace(&mut self.proto_file, crate::RepeatedField::new())
     }
+
+    // optional .google.protobuf.compiler.Version compiler_version = 3;
+
+
+    pub fn get_compiler_version(&self) -> &Version {
+        self.compiler_version.as_ref().unwrap_or_else(|| <Version as crate::Message>::default_instance())
+    }
+    pub fn clear_compiler_version(&mut self) {
+        self.compiler_version.clear();
+    }
+
+    pub fn has_compiler_version(&self) -> bool {
+        self.compiler_version.is_some()
+    }
+
+    // Param is passed by value, moved
+    pub fn set_compiler_version(&mut self, v: Version) {
+        self.compiler_version = crate::SingularPtrField::some(v);
+    }
+
+    // Mutable pointer to the field.
+    // If field is not initialized, it is initialized with default value first.
+    pub fn mut_compiler_version(&mut self) -> &mut Version {
+        if self.compiler_version.is_none() {
+            self.compiler_version.set_default();
+        }
+        self.compiler_version.as_mut().unwrap()
+    }
+
+    // Take field
+    pub fn take_compiler_version(&mut self) -> Version {
+        self.compiler_version.take().unwrap_or_else(|| Version::new())
+    }
 }
 
 impl crate::Message for CodeGeneratorRequest {
@@ -138,6 +461,11 @@
                 return false;
             }
         };
+        for v in &self.compiler_version {
+            if !v.is_initialized() {
+                return false;
+            }
+        };
         true
     }
 
@@ -154,6 +482,9 @@
                 15 => {
                     crate::rt::read_repeated_message_into(wire_type, is, &mut self.proto_file)?;
                 },
+                3 => {
+                    crate::rt::read_singular_message_into(wire_type, is, &mut self.compiler_version)?;
+                },
                 _ => {
                     crate::rt::read_unknown_or_skip_group(field_number, wire_type, is, self.mut_unknown_fields())?;
                 },
@@ -176,6 +507,10 @@
             let len = value.compute_size();
             my_size += 1 + crate::rt::compute_raw_varint32_size(len) + len;
         };
+        if let Some(ref v) = self.compiler_version.as_ref() {
+            let len = v.compute_size();
+            my_size += 1 + crate::rt::compute_raw_varint32_size(len) + len;
+        }
         my_size += crate::rt::unknown_fields_size(self.get_unknown_fields());
         self.cached_size.set(my_size);
         my_size
@@ -193,6 +528,11 @@
             os.write_raw_varint32(v.get_cached_size())?;
             v.write_to_with_cached_sizes(os)?;
         };
+        if let Some(ref v) = self.compiler_version.as_ref() {
+            os.write_tag(3, crate::wire_format::WireTypeLengthDelimited)?;
+            os.write_raw_varint32(v.get_cached_size())?;
+            v.write_to_with_cached_sizes(os)?;
+        }
         os.write_unknown_fields(self.get_unknown_fields())?;
         ::std::result::Result::Ok(())
     }
@@ -246,6 +586,11 @@
                 |m: &CodeGeneratorRequest| { &m.proto_file },
                 |m: &mut CodeGeneratorRequest| { &mut m.proto_file },
             ));
+            fields.push(crate::reflect::accessor::make_singular_ptr_field_accessor::<_, crate::types::ProtobufTypeMessage<Version>>(
+                "compiler_version",
+                |m: &CodeGeneratorRequest| { &m.compiler_version },
+                |m: &mut CodeGeneratorRequest| { &mut m.compiler_version },
+            ));
             crate::reflect::MessageDescriptor::new_pb_name::<CodeGeneratorRequest>(
                 "CodeGeneratorRequest",
                 fields,
@@ -265,6 +610,7 @@
         self.file_to_generate.clear();
         self.parameter.clear();
         self.proto_file.clear();
+        self.compiler_version.clear();
         self.unknown_fields.clear();
     }
 }
@@ -282,10 +628,11 @@
 }
 
 #[derive(PartialEq,Clone,Default)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub struct CodeGeneratorResponse {
     // message fields
     error: crate::SingularField<::std::string::String>,
+    supported_features: ::std::option::Option<u64>,
     pub file: crate::RepeatedField<CodeGeneratorResponse_File>,
     // special fields
     #[cfg_attr(feature = "with-serde", serde(skip))]
@@ -341,6 +688,25 @@
         self.error.take().unwrap_or_else(|| ::std::string::String::new())
     }
 
+    // optional uint64 supported_features = 2;
+
+
+    pub fn get_supported_features(&self) -> u64 {
+        self.supported_features.unwrap_or(0)
+    }
+    pub fn clear_supported_features(&mut self) {
+        self.supported_features = ::std::option::Option::None;
+    }
+
+    pub fn has_supported_features(&self) -> bool {
+        self.supported_features.is_some()
+    }
+
+    // Param is passed by value, moved
+    pub fn set_supported_features(&mut self, v: u64) {
+        self.supported_features = ::std::option::Option::Some(v);
+    }
+
     // repeated .google.protobuf.compiler.CodeGeneratorResponse.File file = 15;
 
 
@@ -384,6 +750,13 @@
                 1 => {
                     crate::rt::read_singular_string_into(wire_type, is, &mut self.error)?;
                 },
+                2 => {
+                    if wire_type != crate::wire_format::WireTypeVarint {
+                        return ::std::result::Result::Err(crate::rt::unexpected_wire_type(wire_type));
+                    }
+                    let tmp = is.read_uint64()?;
+                    self.supported_features = ::std::option::Option::Some(tmp);
+                },
                 15 => {
                     crate::rt::read_repeated_message_into(wire_type, is, &mut self.file)?;
                 },
@@ -402,6 +775,9 @@
         if let Some(ref v) = self.error.as_ref() {
             my_size += crate::rt::string_size(1, &v);
         }
+        if let Some(v) = self.supported_features {
+            my_size += crate::rt::value_size(2, v, crate::wire_format::WireTypeVarint);
+        }
         for value in &self.file {
             let len = value.compute_size();
             my_size += 1 + crate::rt::compute_raw_varint32_size(len) + len;
@@ -415,6 +791,9 @@
         if let Some(ref v) = self.error.as_ref() {
             os.write_string(1, &v)?;
         }
+        if let Some(v) = self.supported_features {
+            os.write_uint64(2, v)?;
+        }
         for v in &self.file {
             os.write_tag(15, crate::wire_format::WireTypeLengthDelimited)?;
             os.write_raw_varint32(v.get_cached_size())?;
@@ -463,6 +842,11 @@
                 |m: &CodeGeneratorResponse| { &m.error },
                 |m: &mut CodeGeneratorResponse| { &mut m.error },
             ));
+            fields.push(crate::reflect::accessor::make_option_accessor::<_, crate::types::ProtobufTypeUint64>(
+                "supported_features",
+                |m: &CodeGeneratorResponse| { &m.supported_features },
+                |m: &mut CodeGeneratorResponse| { &mut m.supported_features },
+            ));
             fields.push(crate::reflect::accessor::make_repeated_field_accessor::<_, crate::types::ProtobufTypeMessage<CodeGeneratorResponse_File>>(
                 "file",
                 |m: &CodeGeneratorResponse| { &m.file },
@@ -485,6 +869,7 @@
 impl crate::Clear for CodeGeneratorResponse {
     fn clear(&mut self) {
         self.error.clear();
+        self.supported_features = ::std::option::Option::None;
         self.file.clear();
         self.unknown_fields.clear();
     }
@@ -503,12 +888,13 @@
 }
 
 #[derive(PartialEq,Clone,Default)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub struct CodeGeneratorResponse_File {
     // message fields
     name: crate::SingularField<::std::string::String>,
     insertion_point: crate::SingularField<::std::string::String>,
     content: crate::SingularField<::std::string::String>,
+    pub generated_code_info: crate::SingularPtrField<crate::descriptor::GeneratedCodeInfo>,
     // special fields
     #[cfg_attr(feature = "with-serde", serde(skip))]
     pub unknown_fields: crate::UnknownFields,
@@ -634,10 +1020,48 @@
     pub fn take_content(&mut self) -> ::std::string::String {
         self.content.take().unwrap_or_else(|| ::std::string::String::new())
     }
+
+    // optional .google.protobuf.GeneratedCodeInfo generated_code_info = 16;
+
+
+    pub fn get_generated_code_info(&self) -> &crate::descriptor::GeneratedCodeInfo {
+        self.generated_code_info.as_ref().unwrap_or_else(|| <crate::descriptor::GeneratedCodeInfo as crate::Message>::default_instance())
+    }
+    pub fn clear_generated_code_info(&mut self) {
+        self.generated_code_info.clear();
+    }
+
+    pub fn has_generated_code_info(&self) -> bool {
+        self.generated_code_info.is_some()
+    }
+
+    // Param is passed by value, moved
+    pub fn set_generated_code_info(&mut self, v: crate::descriptor::GeneratedCodeInfo) {
+        self.generated_code_info = crate::SingularPtrField::some(v);
+    }
+
+    // Mutable pointer to the field.
+    // If field is not initialized, it is initialized with default value first.
+    pub fn mut_generated_code_info(&mut self) -> &mut crate::descriptor::GeneratedCodeInfo {
+        if self.generated_code_info.is_none() {
+            self.generated_code_info.set_default();
+        }
+        self.generated_code_info.as_mut().unwrap()
+    }
+
+    // Take field
+    pub fn take_generated_code_info(&mut self) -> crate::descriptor::GeneratedCodeInfo {
+        self.generated_code_info.take().unwrap_or_else(|| crate::descriptor::GeneratedCodeInfo::new())
+    }
 }
 
 impl crate::Message for CodeGeneratorResponse_File {
     fn is_initialized(&self) -> bool {
+        for v in &self.generated_code_info {
+            if !v.is_initialized() {
+                return false;
+            }
+        };
         true
     }
 
@@ -654,6 +1078,9 @@
                 15 => {
                     crate::rt::read_singular_string_into(wire_type, is, &mut self.content)?;
                 },
+                16 => {
+                    crate::rt::read_singular_message_into(wire_type, is, &mut self.generated_code_info)?;
+                },
                 _ => {
                     crate::rt::read_unknown_or_skip_group(field_number, wire_type, is, self.mut_unknown_fields())?;
                 },
@@ -675,6 +1102,10 @@
         if let Some(ref v) = self.content.as_ref() {
             my_size += crate::rt::string_size(15, &v);
         }
+        if let Some(ref v) = self.generated_code_info.as_ref() {
+            let len = v.compute_size();
+            my_size += 2 + crate::rt::compute_raw_varint32_size(len) + len;
+        }
         my_size += crate::rt::unknown_fields_size(self.get_unknown_fields());
         self.cached_size.set(my_size);
         my_size
@@ -690,6 +1121,11 @@
         if let Some(ref v) = self.content.as_ref() {
             os.write_string(15, &v)?;
         }
+        if let Some(ref v) = self.generated_code_info.as_ref() {
+            os.write_tag(16, crate::wire_format::WireTypeLengthDelimited)?;
+            os.write_raw_varint32(v.get_cached_size())?;
+            v.write_to_with_cached_sizes(os)?;
+        }
         os.write_unknown_fields(self.get_unknown_fields())?;
         ::std::result::Result::Ok(())
     }
@@ -743,6 +1179,11 @@
                 |m: &CodeGeneratorResponse_File| { &m.content },
                 |m: &mut CodeGeneratorResponse_File| { &mut m.content },
             ));
+            fields.push(crate::reflect::accessor::make_singular_ptr_field_accessor::<_, crate::types::ProtobufTypeMessage<crate::descriptor::GeneratedCodeInfo>>(
+                "generated_code_info",
+                |m: &CodeGeneratorResponse_File| { &m.generated_code_info },
+                |m: &mut CodeGeneratorResponse_File| { &mut m.generated_code_info },
+            ));
             crate::reflect::MessageDescriptor::new_pb_name::<CodeGeneratorResponse_File>(
                 "CodeGeneratorResponse.File",
                 fields,
@@ -762,6 +1203,7 @@
         self.name.clear();
         self.insertion_point.clear();
         self.content.clear();
+        self.generated_code_info.clear();
         self.unknown_fields.clear();
     }
 }
@@ -778,194 +1220,299 @@
     }
 }
 
+#[derive(Clone,PartialEq,Eq,Debug,Hash)]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
+pub enum CodeGeneratorResponse_Feature {
+    FEATURE_NONE = 0,
+    FEATURE_PROTO3_OPTIONAL = 1,
+}
+
+impl crate::ProtobufEnum for CodeGeneratorResponse_Feature {
+    fn value(&self) -> i32 {
+        *self as i32
+    }
+
+    fn from_i32(value: i32) -> ::std::option::Option<CodeGeneratorResponse_Feature> {
+        match value {
+            0 => ::std::option::Option::Some(CodeGeneratorResponse_Feature::FEATURE_NONE),
+            1 => ::std::option::Option::Some(CodeGeneratorResponse_Feature::FEATURE_PROTO3_OPTIONAL),
+            _ => ::std::option::Option::None
+        }
+    }
+
+    fn values() -> &'static [Self] {
+        static values: &'static [CodeGeneratorResponse_Feature] = &[
+            CodeGeneratorResponse_Feature::FEATURE_NONE,
+            CodeGeneratorResponse_Feature::FEATURE_PROTO3_OPTIONAL,
+        ];
+        values
+    }
+
+    fn enum_descriptor_static() -> &'static crate::reflect::EnumDescriptor {
+        static descriptor: crate::rt::LazyV2<crate::reflect::EnumDescriptor> = crate::rt::LazyV2::INIT;
+        descriptor.get(|| {
+            crate::reflect::EnumDescriptor::new_pb_name::<CodeGeneratorResponse_Feature>("CodeGeneratorResponse.Feature", file_descriptor_proto())
+        })
+    }
+}
+
+impl ::std::marker::Copy for CodeGeneratorResponse_Feature {
+}
+
+impl ::std::default::Default for CodeGeneratorResponse_Feature {
+    fn default() -> Self {
+        CodeGeneratorResponse_Feature::FEATURE_NONE
+    }
+}
+
+impl crate::reflect::ProtobufValue for CodeGeneratorResponse_Feature {
+    fn as_ref(&self) -> crate::reflect::ReflectValueRef {
+        crate::reflect::ReflectValueRef::Enum(crate::ProtobufEnum::descriptor(self))
+    }
+}
+
 static file_descriptor_proto_data: &'static [u8] = b"\
     \n%google/protobuf/compiler/plugin.proto\x12\x18google.protobuf.compiler\
-    \x1a\x20google/protobuf/descriptor.proto\"\xa3\x01\n\x14CodeGeneratorReq\
-    uest\x12(\n\x10file_to_generate\x18\x01\x20\x03(\tR\x0efileToGenerate\
+    \x1a\x20google/protobuf/descriptor.proto\"c\n\x07Version\x12\x14\n\x05ma\
+    jor\x18\x01\x20\x01(\x05R\x05major\x12\x14\n\x05minor\x18\x02\x20\x01(\
+    \x05R\x05minor\x12\x14\n\x05patch\x18\x03\x20\x01(\x05R\x05patch\x12\x16\
+    \n\x06suffix\x18\x04\x20\x01(\tR\x06suffix\"\xf1\x01\n\x14CodeGeneratorR\
+    equest\x12(\n\x10file_to_generate\x18\x01\x20\x03(\tR\x0efileToGenerate\
     \x12\x1c\n\tparameter\x18\x02\x20\x01(\tR\tparameter\x12C\n\nproto_file\
     \x18\x0f\x20\x03(\x0b2$.google.protobuf.FileDescriptorProtoR\tprotoFile\
-    \"\xd6\x01\n\x15CodeGeneratorResponse\x12\x14\n\x05error\x18\x01\x20\x01\
-    (\tR\x05error\x12H\n\x04file\x18\x0f\x20\x03(\x0b24.google.protobuf.comp\
-    iler.CodeGeneratorResponse.FileR\x04file\x1a]\n\x04File\x12\x12\n\x04nam\
-    e\x18\x01\x20\x01(\tR\x04name\x12'\n\x0finsertion_point\x18\x02\x20\x01(\
-    \tR\x0einsertionPoint\x12\x18\n\x07content\x18\x0f\x20\x01(\tR\x07conten\
-    tB7\n\x1ccom.google.protobuf.compilerB\x0cPluginProtosZ\tplugin_goJ\xd29\
-    \n\x07\x12\x05.\0\x95\x01\x01\n\xca\x11\n\x01\x0c\x12\x03.\0\x122\xc1\
-    \x0c\x20Protocol\x20Buffers\x20-\x20Google's\x20data\x20interchange\x20f\
-    ormat\n\x20Copyright\x202008\x20Google\x20Inc.\x20\x20All\x20rights\x20r\
-    eserved.\n\x20https://developers.google.com/protocol-buffers/\n\n\x20Red\
-    istribution\x20and\x20use\x20in\x20source\x20and\x20binary\x20forms,\x20\
-    with\x20or\x20without\n\x20modification,\x20are\x20permitted\x20provided\
-    \x20that\x20the\x20following\x20conditions\x20are\n\x20met:\n\n\x20\x20\
-    \x20\x20\x20*\x20Redistributions\x20of\x20source\x20code\x20must\x20reta\
-    in\x20the\x20above\x20copyright\n\x20notice,\x20this\x20list\x20of\x20co\
-    nditions\x20and\x20the\x20following\x20disclaimer.\n\x20\x20\x20\x20\x20\
-    *\x20Redistributions\x20in\x20binary\x20form\x20must\x20reproduce\x20the\
-    \x20above\n\x20copyright\x20notice,\x20this\x20list\x20of\x20conditions\
-    \x20and\x20the\x20following\x20disclaimer\n\x20in\x20the\x20documentatio\
-    n\x20and/or\x20other\x20materials\x20provided\x20with\x20the\n\x20distri\
-    bution.\n\x20\x20\x20\x20\x20*\x20Neither\x20the\x20name\x20of\x20Google\
-    \x20Inc.\x20nor\x20the\x20names\x20of\x20its\n\x20contributors\x20may\
-    \x20be\x20used\x20to\x20endorse\x20or\x20promote\x20products\x20derived\
-    \x20from\n\x20this\x20software\x20without\x20specific\x20prior\x20writte\
-    n\x20permission.\n\n\x20THIS\x20SOFTWARE\x20IS\x20PROVIDED\x20BY\x20THE\
-    \x20COPYRIGHT\x20HOLDERS\x20AND\x20CONTRIBUTORS\n\x20\"AS\x20IS\"\x20AND\
-    \x20ANY\x20EXPRESS\x20OR\x20IMPLIED\x20WARRANTIES,\x20INCLUDING,\x20BUT\
-    \x20NOT\n\x20LIMITED\x20TO,\x20THE\x20IMPLIED\x20WARRANTIES\x20OF\x20MER\
-    CHANTABILITY\x20AND\x20FITNESS\x20FOR\n\x20A\x20PARTICULAR\x20PURPOSE\
-    \x20ARE\x20DISCLAIMED.\x20IN\x20NO\x20EVENT\x20SHALL\x20THE\x20COPYRIGHT\
-    \n\x20OWNER\x20OR\x20CONTRIBUTORS\x20BE\x20LIABLE\x20FOR\x20ANY\x20DIREC\
-    T,\x20INDIRECT,\x20INCIDENTAL,\n\x20SPECIAL,\x20EXEMPLARY,\x20OR\x20CONS\
-    EQUENTIAL\x20DAMAGES\x20(INCLUDING,\x20BUT\x20NOT\n\x20LIMITED\x20TO,\
-    \x20PROCUREMENT\x20OF\x20SUBSTITUTE\x20GOODS\x20OR\x20SERVICES;\x20LOSS\
-    \x20OF\x20USE,\n\x20DATA,\x20OR\x20PROFITS;\x20OR\x20BUSINESS\x20INTERRU\
-    PTION)\x20HOWEVER\x20CAUSED\x20AND\x20ON\x20ANY\n\x20THEORY\x20OF\x20LIA\
-    BILITY,\x20WHETHER\x20IN\x20CONTRACT,\x20STRICT\x20LIABILITY,\x20OR\x20T\
-    ORT\n\x20(INCLUDING\x20NEGLIGENCE\x20OR\x20OTHERWISE)\x20ARISING\x20IN\
-    \x20ANY\x20WAY\x20OUT\x20OF\x20THE\x20USE\n\x20OF\x20THIS\x20SOFTWARE,\
-    \x20EVEN\x20IF\x20ADVISED\x20OF\x20THE\x20POSSIBILITY\x20OF\x20SUCH\x20D\
-    AMAGE.\n2\xfb\x04\x20Author:\x20kenton@google.com\x20(Kenton\x20Varda)\n\
-    \n\x20WARNING:\x20\x20The\x20plugin\x20interface\x20is\x20currently\x20E\
-    XPERIMENTAL\x20and\x20is\x20subject\x20to\n\x20\x20\x20change.\n\n\x20pr\
-    otoc\x20(aka\x20the\x20Protocol\x20Compiler)\x20can\x20be\x20extended\
-    \x20via\x20plugins.\x20\x20A\x20plugin\x20is\n\x20just\x20a\x20program\
-    \x20that\x20reads\x20a\x20CodeGeneratorRequest\x20from\x20stdin\x20and\
-    \x20writes\x20a\n\x20CodeGeneratorResponse\x20to\x20stdout.\n\n\x20Plugi\
-    ns\x20written\x20using\x20C++\x20can\x20use\x20google/protobuf/compiler/\
-    plugin.h\x20instead\n\x20of\x20dealing\x20with\x20the\x20raw\x20protocol\
-    \x20defined\x20here.\n\n\x20A\x20plugin\x20executable\x20needs\x20only\
-    \x20to\x20be\x20placed\x20somewhere\x20in\x20the\x20path.\x20\x20The\n\
-    \x20plugin\x20should\x20be\x20named\x20\"protoc-gen-$NAME\",\x20and\x20w\
-    ill\x20then\x20be\x20used\x20when\x20the\n\x20flag\x20\"--${NAME}_out\"\
-    \x20is\x20passed\x20to\x20protoc.\n\n\x08\n\x01\x02\x12\x03/\0!\n\x08\n\
-    \x01\x08\x12\x030\05\n\t\n\x02\x08\x01\x12\x030\05\n\x08\n\x01\x08\x12\
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+    \x02\x03\x06\x12\x04\xb3\x01\r\x1e\n\x0f\n\x07\x04\x02\x03\0\x02\x03\x01\
+    \x12\x04\xb3\x01\x1f2\n\x0f\n\x07\x04\x02\x03\0\x02\x03\x03\x12\x04\xb3\
+    \x0157\n\x0c\n\x04\x04\x02\x02\x02\x12\x04\xb5\x01\x02\x1a\n\r\n\x05\x04\
+    \x02\x02\x02\x04\x12\x04\xb5\x01\x02\n\n\r\n\x05\x04\x02\x02\x02\x06\x12\
+    \x04\xb5\x01\x0b\x0f\n\r\n\x05\x04\x02\x02\x02\x01\x12\x04\xb5\x01\x10\
+    \x14\n\r\n\x05\x04\x02\x02\x02\x03\x12\x04\xb5\x01\x17\x19\
 ";
 
 static file_descriptor_proto_lazy: crate::rt::LazyV2<crate::descriptor::FileDescriptorProto> = crate::rt::LazyV2::INIT;
diff --git a/src/reflect/message.rs b/src/reflect/message.rs
index 4730306..53ea2ce 100644
--- a/src/reflect/message.rs
+++ b/src/reflect/message.rs
@@ -1,4 +1,5 @@
-use crate::descriptor::{DescriptorProto, FileDescriptorProto};
+use crate::descriptor::DescriptorProto;
+use crate::descriptor::FileDescriptorProto;
 use crate::descriptorx::find_message_by_rust_name;
 use crate::reflect::acc::FieldAccessor;
 use crate::reflect::find_message_or_enum::find_message_or_enum;
diff --git a/src/rustproto.rs b/src/rustproto.rs
index cf78d20..d4284e7 100644
--- a/src/rustproto.rs
+++ b/src/rustproto.rs
@@ -1,4 +1,4 @@
-// This file is generated by rust-protobuf 2.19.0-pre. Do not edit
+// This file is generated by rust-protobuf 2.22.0-pre. Do not edit
 // @generated
 
 // https://github.com/rust-lang/rust-clippy/issues/702
diff --git a/src/stream.rs b/src/stream.rs
index dc45953..5ec7df2 100644
--- a/src/stream.rs
+++ b/src/stream.rs
@@ -3,8 +3,9 @@
 //! `CodedInputStream` and `CodedOutputStream` implementations
 
 use std::io;
+use std::io::BufRead;
+use std::io::Read;
 use std::io::Write;
-use std::io::{BufRead, Read};
 use std::mem;
 use std::slice;
 
diff --git a/src/well_known_types/any.rs b/src/well_known_types/any.rs
index 58c62a3..397f9db 100644
--- a/src/well_known_types/any.rs
+++ b/src/well_known_types/any.rs
@@ -1,4 +1,4 @@
-// This file is generated by rust-protobuf 2.19.0-pre. Do not edit
+// This file is generated by rust-protobuf 2.22.0-pre. Do not edit
 // @generated
 
 // https://github.com/rust-lang/rust-clippy/issues/702
@@ -20,7 +20,7 @@
 //! Generated file from `google/protobuf/any.proto`
 
 #[derive(PartialEq,Clone,Default)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub struct Any {
     // message fields
     pub type_url: ::std::string::String,
@@ -226,69 +226,77 @@
 static file_descriptor_proto_data: &'static [u8] = b"\
     \n\x19google/protobuf/any.proto\x12\x0fgoogle.protobuf\"6\n\x03Any\x12\
     \x19\n\x08type_url\x18\x01\x20\x01(\tR\x07typeUrl\x12\x14\n\x05value\x18\
-    \x02\x20\x01(\x0cR\x05valueBo\n\x13com.google.protobufB\x08AnyProtoP\x01\
-    Z%github.com/golang/protobuf/ptypes/any\xa2\x02\x03GPB\xaa\x02\x1eGoogle\
-    .Protobuf.WellKnownTypesJ\x8a&\n\x07\x12\x05\x1e\0\x8a\x01\x01\n\xcc\x0c\
-    \n\x01\x0c\x12\x03\x1e\0\x122\xc1\x0c\x20Protocol\x20Buffers\x20-\x20Goo\
-    gle's\x20data\x20interchange\x20format\n\x20Copyright\x202008\x20Google\
-    \x20Inc.\x20\x20All\x20rights\x20reserved.\n\x20https://developers.googl\
-    e.com/protocol-buffers/\n\n\x20Redistribution\x20and\x20use\x20in\x20sou\
-    rce\x20and\x20binary\x20forms,\x20with\x20or\x20without\n\x20modificatio\
-    n,\x20are\x20permitted\x20provided\x20that\x20the\x20following\x20condit\
-    ions\x20are\n\x20met:\n\n\x20\x20\x20\x20\x20*\x20Redistributions\x20of\
-    \x20source\x20code\x20must\x20retain\x20the\x20above\x20copyright\n\x20n\
-    otice,\x20this\x20list\x20of\x20conditions\x20and\x20the\x20following\
-    \x20disclaimer.\n\x20\x20\x20\x20\x20*\x20Redistributions\x20in\x20binar\
-    y\x20form\x20must\x20reproduce\x20the\x20above\n\x20copyright\x20notice,\
-    \x20this\x20list\x20of\x20conditions\x20and\x20the\x20following\x20discl\
-    aimer\n\x20in\x20the\x20documentation\x20and/or\x20other\x20materials\
-    \x20provided\x20with\x20the\n\x20distribution.\n\x20\x20\x20\x20\x20*\
-    \x20Neither\x20the\x20name\x20of\x20Google\x20Inc.\x20nor\x20the\x20name\
-    s\x20of\x20its\n\x20contributors\x20may\x20be\x20used\x20to\x20endorse\
-    \x20or\x20promote\x20products\x20derived\x20from\n\x20this\x20software\
-    \x20without\x20specific\x20prior\x20written\x20permission.\n\n\x20THIS\
-    \x20SOFTWARE\x20IS\x20PROVIDED\x20BY\x20THE\x20COPYRIGHT\x20HOLDERS\x20A\
-    ND\x20CONTRIBUTORS\n\x20\"AS\x20IS\"\x20AND\x20ANY\x20EXPRESS\x20OR\x20I\
-    MPLIED\x20WARRANTIES,\x20INCLUDING,\x20BUT\x20NOT\n\x20LIMITED\x20TO,\
-    \x20THE\x20IMPLIED\x20WARRANTIES\x20OF\x20MERCHANTABILITY\x20AND\x20FITN\
-    ESS\x20FOR\n\x20A\x20PARTICULAR\x20PURPOSE\x20ARE\x20DISCLAIMED.\x20IN\
-    \x20NO\x20EVENT\x20SHALL\x20THE\x20COPYRIGHT\n\x20OWNER\x20OR\x20CONTRIB\
-    UTORS\x20BE\x20LIABLE\x20FOR\x20ANY\x20DIRECT,\x20INDIRECT,\x20INCIDENTA\
-    L,\n\x20SPECIAL,\x20EXEMPLARY,\x20OR\x20CONSEQUENTIAL\x20DAMAGES\x20(INC\
-    LUDING,\x20BUT\x20NOT\n\x20LIMITED\x20TO,\x20PROCUREMENT\x20OF\x20SUBSTI\
-    TUTE\x20GOODS\x20OR\x20SERVICES;\x20LOSS\x20OF\x20USE,\n\x20DATA,\x20OR\
-    \x20PROFITS;\x20OR\x20BUSINESS\x20INTERRUPTION)\x20HOWEVER\x20CAUSED\x20\
-    AND\x20ON\x20ANY\n\x20THEORY\x20OF\x20LIABILITY,\x20WHETHER\x20IN\x20CON\
-    TRACT,\x20STRICT\x20LIABILITY,\x20OR\x20TORT\n\x20(INCLUDING\x20NEGLIGEN\
-    CE\x20OR\x20OTHERWISE)\x20ARISING\x20IN\x20ANY\x20WAY\x20OUT\x20OF\x20TH\
-    E\x20USE\n\x20OF\x20THIS\x20SOFTWARE,\x20EVEN\x20IF\x20ADVISED\x20OF\x20\
-    THE\x20POSSIBILITY\x20OF\x20SUCH\x20DAMAGE.\n\n\x08\n\x01\x02\x12\x03\
-    \x20\0\x18\n\x08\n\x01\x08\x12\x03\"\0;\n\t\n\x02\x08%\x12\x03\"\0;\n\
-    \x08\n\x01\x08\x12\x03#\0<\n\t\n\x02\x08\x0b\x12\x03#\0<\n\x08\n\x01\x08\
-    \x12\x03$\0,\n\t\n\x02\x08\x01\x12\x03$\0,\n\x08\n\x01\x08\x12\x03%\0)\n\
-    \t\n\x02\x08\x08\x12\x03%\0)\n\x08\n\x01\x08\x12\x03&\0\"\n\t\n\x02\x08\
-    \n\x12\x03&\0\"\n\x08\n\x01\x08\x12\x03'\0!\n\t\n\x02\x08$\x12\x03'\0!\n\
-    \x81\x0f\n\x02\x04\0\x12\x05o\0\x8a\x01\x01\x1a\xf3\x0e\x20`Any`\x20cont\
-    ains\x20an\x20arbitrary\x20serialized\x20protocol\x20buffer\x20message\
-    \x20along\x20with\x20a\n\x20URL\x20that\x20describes\x20the\x20type\x20o\
-    f\x20the\x20serialized\x20message.\n\n\x20Protobuf\x20library\x20provide\
-    s\x20support\x20to\x20pack/unpack\x20Any\x20values\x20in\x20the\x20form\
-    \n\x20of\x20utility\x20functions\x20or\x20additional\x20generated\x20met\
-    hods\x20of\x20the\x20Any\x20type.\n\n\x20Example\x201:\x20Pack\x20and\
-    \x20unpack\x20a\x20message\x20in\x20C++.\n\n\x20\x20\x20\x20\x20Foo\x20f\
-    oo\x20=\x20...;\n\x20\x20\x20\x20\x20Any\x20any;\n\x20\x20\x20\x20\x20an\
-    y.PackFrom(foo);\n\x20\x20\x20\x20\x20...\n\x20\x20\x20\x20\x20if\x20(an\
-    y.UnpackTo(&foo))\x20{\n\x20\x20\x20\x20\x20\x20\x20...\n\x20\x20\x20\
-    \x20\x20}\n\n\x20Example\x202:\x20Pack\x20and\x20unpack\x20a\x20message\
-    \x20in\x20Java.\n\n\x20\x20\x20\x20\x20Foo\x20foo\x20=\x20...;\n\x20\x20\
-    \x20\x20\x20Any\x20any\x20=\x20Any.pack(foo);\n\x20\x20\x20\x20\x20...\n\
-    \x20\x20\x20\x20\x20if\x20(any.is(Foo.class))\x20{\n\x20\x20\x20\x20\x20\
-    \x20\x20foo\x20=\x20any.unpack(Foo.class);\n\x20\x20\x20\x20\x20}\n\n\
-    \x20\x20Example\x203:\x20Pack\x20and\x20unpack\x20a\x20message\x20in\x20\
-    Python.\n\n\x20\x20\x20\x20\x20foo\x20=\x20Foo(...)\n\x20\x20\x20\x20\
-    \x20any\x20=\x20Any()\n\x20\x20\x20\x20\x20any.Pack(foo)\n\x20\x20\x20\
-    \x20\x20...\n\x20\x20\x20\x20\x20if\x20any.Is(Foo.DESCRIPTOR):\n\x20\x20\
-    \x20\x20\x20\x20\x20any.Unpack(foo)\n\x20\x20\x20\x20\x20\x20\x20...\n\n\
+    \x02\x20\x01(\x0cR\x05valueBv\n\x13com.google.protobufB\x08AnyProtoP\x01\
+    Z,google.golang.org/protobuf/types/known/anypb\xa2\x02\x03GPB\xaa\x02\
+    \x1eGoogle.Protobuf.WellKnownTypesJ\xf9*\n\x07\x12\x05\x1e\0\x9d\x01\x01\
+    \n\xcc\x0c\n\x01\x0c\x12\x03\x1e\0\x122\xc1\x0c\x20Protocol\x20Buffers\
+    \x20-\x20Google's\x20data\x20interchange\x20format\n\x20Copyright\x20200\
+    8\x20Google\x20Inc.\x20\x20All\x20rights\x20reserved.\n\x20https://devel\
+    opers.google.com/protocol-buffers/\n\n\x20Redistribution\x20and\x20use\
+    \x20in\x20source\x20and\x20binary\x20forms,\x20with\x20or\x20without\n\
+    \x20modification,\x20are\x20permitted\x20provided\x20that\x20the\x20foll\
+    owing\x20conditions\x20are\n\x20met:\n\n\x20\x20\x20\x20\x20*\x20Redistr\
+    ibutions\x20of\x20source\x20code\x20must\x20retain\x20the\x20above\x20co\
+    pyright\n\x20notice,\x20this\x20list\x20of\x20conditions\x20and\x20the\
+    \x20following\x20disclaimer.\n\x20\x20\x20\x20\x20*\x20Redistributions\
+    \x20in\x20binary\x20form\x20must\x20reproduce\x20the\x20above\n\x20copyr\
+    ight\x20notice,\x20this\x20list\x20of\x20conditions\x20and\x20the\x20fol\
+    lowing\x20disclaimer\n\x20in\x20the\x20documentation\x20and/or\x20other\
+    \x20materials\x20provided\x20with\x20the\n\x20distribution.\n\x20\x20\
+    \x20\x20\x20*\x20Neither\x20the\x20name\x20of\x20Google\x20Inc.\x20nor\
+    \x20the\x20names\x20of\x20its\n\x20contributors\x20may\x20be\x20used\x20\
+    to\x20endorse\x20or\x20promote\x20products\x20derived\x20from\n\x20this\
+    \x20software\x20without\x20specific\x20prior\x20written\x20permission.\n\
+    \n\x20THIS\x20SOFTWARE\x20IS\x20PROVIDED\x20BY\x20THE\x20COPYRIGHT\x20HO\
+    LDERS\x20AND\x20CONTRIBUTORS\n\x20\"AS\x20IS\"\x20AND\x20ANY\x20EXPRESS\
+    \x20OR\x20IMPLIED\x20WARRANTIES,\x20INCLUDING,\x20BUT\x20NOT\n\x20LIMITE\
+    D\x20TO,\x20THE\x20IMPLIED\x20WARRANTIES\x20OF\x20MERCHANTABILITY\x20AND\
+    \x20FITNESS\x20FOR\n\x20A\x20PARTICULAR\x20PURPOSE\x20ARE\x20DISCLAIMED.\
+    \x20IN\x20NO\x20EVENT\x20SHALL\x20THE\x20COPYRIGHT\n\x20OWNER\x20OR\x20C\
+    ONTRIBUTORS\x20BE\x20LIABLE\x20FOR\x20ANY\x20DIRECT,\x20INDIRECT,\x20INC\
+    IDENTAL,\n\x20SPECIAL,\x20EXEMPLARY,\x20OR\x20CONSEQUENTIAL\x20DAMAGES\
+    \x20(INCLUDING,\x20BUT\x20NOT\n\x20LIMITED\x20TO,\x20PROCUREMENT\x20OF\
+    \x20SUBSTITUTE\x20GOODS\x20OR\x20SERVICES;\x20LOSS\x20OF\x20USE,\n\x20DA\
+    TA,\x20OR\x20PROFITS;\x20OR\x20BUSINESS\x20INTERRUPTION)\x20HOWEVER\x20C\
+    AUSED\x20AND\x20ON\x20ANY\n\x20THEORY\x20OF\x20LIABILITY,\x20WHETHER\x20\
+    IN\x20CONTRACT,\x20STRICT\x20LIABILITY,\x20OR\x20TORT\n\x20(INCLUDING\
+    \x20NEGLIGENCE\x20OR\x20OTHERWISE)\x20ARISING\x20IN\x20ANY\x20WAY\x20OUT\
+    \x20OF\x20THE\x20USE\n\x20OF\x20THIS\x20SOFTWARE,\x20EVEN\x20IF\x20ADVIS\
+    ED\x20OF\x20THE\x20POSSIBILITY\x20OF\x20SUCH\x20DAMAGE.\n\n\x08\n\x01\
+    \x02\x12\x03\x20\0\x18\n\x08\n\x01\x08\x12\x03\"\0;\n\t\n\x02\x08%\x12\
+    \x03\"\0;\n\x08\n\x01\x08\x12\x03#\0C\n\t\n\x02\x08\x0b\x12\x03#\0C\n\
+    \x08\n\x01\x08\x12\x03$\0,\n\t\n\x02\x08\x01\x12\x03$\0,\n\x08\n\x01\x08\
+    \x12\x03%\0)\n\t\n\x02\x08\x08\x12\x03%\0)\n\x08\n\x01\x08\x12\x03&\0\"\
+    \n\t\n\x02\x08\n\x12\x03&\0\"\n\x08\n\x01\x08\x12\x03'\0!\n\t\n\x02\x08$\
+    \x12\x03'\0!\n\xfd\x10\n\x02\x04\0\x12\x05|\0\x9d\x01\x01\x1a\xef\x10\
+    \x20`Any`\x20contains\x20an\x20arbitrary\x20serialized\x20protocol\x20bu\
+    ffer\x20message\x20along\x20with\x20a\n\x20URL\x20that\x20describes\x20t\
+    he\x20type\x20of\x20the\x20serialized\x20message.\n\n\x20Protobuf\x20lib\
+    rary\x20provides\x20support\x20to\x20pack/unpack\x20Any\x20values\x20in\
+    \x20the\x20form\n\x20of\x20utility\x20functions\x20or\x20additional\x20g\
+    enerated\x20methods\x20of\x20the\x20Any\x20type.\n\n\x20Example\x201:\
+    \x20Pack\x20and\x20unpack\x20a\x20message\x20in\x20C++.\n\n\x20\x20\x20\
+    \x20\x20Foo\x20foo\x20=\x20...;\n\x20\x20\x20\x20\x20Any\x20any;\n\x20\
+    \x20\x20\x20\x20any.PackFrom(foo);\n\x20\x20\x20\x20\x20...\n\x20\x20\
+    \x20\x20\x20if\x20(any.UnpackTo(&foo))\x20{\n\x20\x20\x20\x20\x20\x20\
+    \x20...\n\x20\x20\x20\x20\x20}\n\n\x20Example\x202:\x20Pack\x20and\x20un\
+    pack\x20a\x20message\x20in\x20Java.\n\n\x20\x20\x20\x20\x20Foo\x20foo\
+    \x20=\x20...;\n\x20\x20\x20\x20\x20Any\x20any\x20=\x20Any.pack(foo);\n\
+    \x20\x20\x20\x20\x20...\n\x20\x20\x20\x20\x20if\x20(any.is(Foo.class))\
+    \x20{\n\x20\x20\x20\x20\x20\x20\x20foo\x20=\x20any.unpack(Foo.class);\n\
+    \x20\x20\x20\x20\x20}\n\n\x20\x20Example\x203:\x20Pack\x20and\x20unpack\
+    \x20a\x20message\x20in\x20Python.\n\n\x20\x20\x20\x20\x20foo\x20=\x20Foo\
+    (...)\n\x20\x20\x20\x20\x20any\x20=\x20Any()\n\x20\x20\x20\x20\x20any.Pa\
+    ck(foo)\n\x20\x20\x20\x20\x20...\n\x20\x20\x20\x20\x20if\x20any.Is(Foo.D\
+    ESCRIPTOR):\n\x20\x20\x20\x20\x20\x20\x20any.Unpack(foo)\n\x20\x20\x20\
+    \x20\x20\x20\x20...\n\n\x20\x20Example\x204:\x20Pack\x20and\x20unpack\
+    \x20a\x20message\x20in\x20Go\n\n\x20\x20\x20\x20\x20\x20foo\x20:=\x20&pb\
+    .Foo{...}\n\x20\x20\x20\x20\x20\x20any,\x20err\x20:=\x20anypb.New(foo)\n\
+    \x20\x20\x20\x20\x20\x20if\x20err\x20!=\x20nil\x20{\n\x20\x20\x20\x20\
+    \x20\x20\x20\x20...\n\x20\x20\x20\x20\x20\x20}\n\x20\x20\x20\x20\x20\x20\
+    ...\n\x20\x20\x20\x20\x20\x20foo\x20:=\x20&pb.Foo{}\n\x20\x20\x20\x20\
+    \x20\x20if\x20err\x20:=\x20any.UnmarshalTo(foo);\x20err\x20!=\x20nil\x20\
+    {\n\x20\x20\x20\x20\x20\x20\x20\x20...\n\x20\x20\x20\x20\x20\x20}\n\n\
     \x20The\x20pack\x20methods\x20provided\x20by\x20protobuf\x20library\x20w\
     ill\x20by\x20default\x20use\n\x20'type.googleapis.com/full.type.name'\
     \x20as\x20the\x20type\x20URL\x20and\x20the\x20unpack\n\x20methods\x20onl\
@@ -314,36 +322,43 @@
     ion][]):\n\n\x20\x20\x20\x20\x20{\n\x20\x20\x20\x20\x20\x20\x20\"@type\"\
     :\x20\"type.googleapis.com/google.protobuf.Duration\",\n\x20\x20\x20\x20\
     \x20\x20\x20\"value\":\x20\"1.212s\"\n\x20\x20\x20\x20\x20}\n\n\n\n\n\
-    \x03\x04\0\x01\x12\x03o\x08\x0b\n\xe4\x07\n\x04\x04\0\x02\0\x12\x04\x86\
-    \x01\x02\x16\x1a\xd5\x07\x20A\x20URL/resource\x20name\x20whose\x20conten\
-    t\x20describes\x20the\x20type\x20of\x20the\n\x20serialized\x20protocol\
-    \x20buffer\x20message.\n\n\x20For\x20URLs\x20which\x20use\x20the\x20sche\
-    me\x20`http`,\x20`https`,\x20or\x20no\x20scheme,\x20the\n\x20following\
-    \x20restrictions\x20and\x20interpretations\x20apply:\n\n\x20*\x20If\x20n\
-    o\x20scheme\x20is\x20provided,\x20`https`\x20is\x20assumed.\n\x20*\x20Th\
-    e\x20last\x20segment\x20of\x20the\x20URL's\x20path\x20must\x20represent\
-    \x20the\x20fully\n\x20\x20\x20qualified\x20name\x20of\x20the\x20type\x20\
-    (as\x20in\x20`path/google.protobuf.Duration`).\n\x20\x20\x20The\x20name\
-    \x20should\x20be\x20in\x20a\x20canonical\x20form\x20(e.g.,\x20leading\
-    \x20\".\"\x20is\n\x20\x20\x20not\x20accepted).\n\x20*\x20An\x20HTTP\x20G\
-    ET\x20on\x20the\x20URL\x20must\x20yield\x20a\x20[google.protobuf.Type][]\
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-    \x10\x11b\x06proto3\
+    \x03\x04\0\x01\x12\x03|\x08\x0b\n\xd7\n\n\x04\x04\0\x02\0\x12\x04\x99\
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+    \x20identifies\x20the\x20type\x20of\x20the\x20serialized\n\x20protocol\
+    \x20buffer\x20message.\x20This\x20string\x20must\x20contain\x20at\x20lea\
+    st\n\x20one\x20\"/\"\x20character.\x20The\x20last\x20segment\x20of\x20th\
+    e\x20URL's\x20path\x20must\x20represent\n\x20the\x20fully\x20qualified\
+    \x20name\x20of\x20the\x20type\x20(as\x20in\n\x20`path/google.protobuf.Du\
+    ration`).\x20The\x20name\x20should\x20be\x20in\x20a\x20canonical\x20form\
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+    \x20practice,\x20teams\x20usually\x20precompile\x20into\x20the\x20binary\
+    \x20all\x20types\x20that\x20they\n\x20expect\x20it\x20to\x20use\x20in\
+    \x20the\x20context\x20of\x20Any.\x20However,\x20for\x20URLs\x20which\x20\
+    use\x20the\n\x20scheme\x20`http`,\x20`https`,\x20or\x20no\x20scheme,\x20\
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+    \x20maps\x20type\x20URLs\x20to\x20message\x20definitions\x20as\x20follow\
+    s:\n\n\x20*\x20If\x20no\x20scheme\x20is\x20provided,\x20`https`\x20is\
+    \x20assumed.\n\x20*\x20An\x20HTTP\x20GET\x20on\x20the\x20URL\x20must\x20\
+    yield\x20a\x20[google.protobuf.Type][]\n\x20\x20\x20value\x20in\x20binar\
+    y\x20format,\x20or\x20produce\x20an\x20error.\n\x20*\x20Applications\x20\
+    are\x20allowed\x20to\x20cache\x20lookup\x20results\x20based\x20on\x20the\
+    \n\x20\x20\x20URL,\x20or\x20have\x20them\x20precompiled\x20into\x20a\x20\
+    binary\x20to\x20avoid\x20any\n\x20\x20\x20lookup.\x20Therefore,\x20binar\
+    y\x20compatibility\x20needs\x20to\x20be\x20preserved\n\x20\x20\x20on\x20\
+    changes\x20to\x20types.\x20(Use\x20versioned\x20type\x20names\x20to\x20m\
+    anage\n\x20\x20\x20breaking\x20changes.)\n\n\x20Note:\x20this\x20functio\
+    nality\x20is\x20not\x20currently\x20available\x20in\x20the\x20official\n\
+    \x20protobuf\x20release,\x20and\x20it\x20is\x20not\x20used\x20for\x20typ\
+    e\x20URLs\x20beginning\x20with\n\x20type.googleapis.com.\n\n\x20Schemes\
+    \x20other\x20than\x20`http`,\x20`https`\x20(or\x20the\x20empty\x20scheme\
+    )\x20might\x20be\n\x20used\x20with\x20implementation\x20specific\x20sema\
+    ntics.\n\n\n\r\n\x05\x04\0\x02\0\x05\x12\x04\x99\x01\x02\x08\n\r\n\x05\
+    \x04\0\x02\0\x01\x12\x04\x99\x01\t\x11\n\r\n\x05\x04\0\x02\0\x03\x12\x04\
+    \x99\x01\x14\x15\nW\n\x04\x04\0\x02\x01\x12\x04\x9c\x01\x02\x12\x1aI\x20\
+    Must\x20be\x20a\x20valid\x20serialized\x20protocol\x20buffer\x20of\x20th\
+    e\x20above\x20specified\x20type.\n\n\r\n\x05\x04\0\x02\x01\x05\x12\x04\
+    \x9c\x01\x02\x07\n\r\n\x05\x04\0\x02\x01\x01\x12\x04\x9c\x01\x08\r\n\r\n\
+    \x05\x04\0\x02\x01\x03\x12\x04\x9c\x01\x10\x11b\x06proto3\
 ";
 
 static file_descriptor_proto_lazy: crate::rt::LazyV2<crate::descriptor::FileDescriptorProto> = crate::rt::LazyV2::INIT;
diff --git a/src/well_known_types/api.rs b/src/well_known_types/api.rs
index 3bdd79b..cb71f3b 100644
--- a/src/well_known_types/api.rs
+++ b/src/well_known_types/api.rs
@@ -1,4 +1,4 @@
-// This file is generated by rust-protobuf 2.19.0-pre. Do not edit
+// This file is generated by rust-protobuf 2.22.0-pre. Do not edit
 // @generated
 
 // https://github.com/rust-lang/rust-clippy/issues/702
@@ -20,7 +20,7 @@
 //! Generated file from `google/protobuf/api.proto`
 
 #[derive(PartialEq,Clone,Default)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub struct Api {
     // message fields
     pub name: ::std::string::String,
@@ -459,7 +459,7 @@
 }
 
 #[derive(PartialEq,Clone,Default)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub struct Method {
     // message fields
     pub name: ::std::string::String,
@@ -855,7 +855,7 @@
 }
 
 #[derive(PartialEq,Clone,Default)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub struct Mixin {
     // message fields
     pub name: ::std::string::String,
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-    \x12\x12\n\x04root\x18\x02\x20\x01(\tR\x04rootBH\n\x13com.google.protobu\
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-    \x20rights\x20reserved.\n\x20https://developers.google.com/protocol-buff\
-    ers/\n\n\x20Redistribution\x20and\x20use\x20in\x20source\x20and\x20binar\
-    y\x20forms,\x20with\x20or\x20without\n\x20modification,\x20are\x20permit\
-    ted\x20provided\x20that\x20the\x20following\x20conditions\x20are\n\x20me\
-    t:\n\n\x20\x20\x20\x20\x20*\x20Redistributions\x20of\x20source\x20code\
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-    list\x20of\x20conditions\x20and\x20the\x20following\x20disclaimer.\n\x20\
-    \x20\x20\x20\x20*\x20Redistributions\x20in\x20binary\x20form\x20must\x20\
-    reproduce\x20the\x20above\n\x20copyright\x20notice,\x20this\x20list\x20o\
-    f\x20conditions\x20and\x20the\x20following\x20disclaimer\n\x20in\x20the\
-    \x20documentation\x20and/or\x20other\x20materials\x20provided\x20with\
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-    ame\x20of\x20Google\x20Inc.\x20nor\x20the\x20names\x20of\x20its\n\x20con\
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-    ucts\x20derived\x20from\n\x20this\x20software\x20without\x20specific\x20\
-    prior\x20written\x20permission.\n\n\x20THIS\x20SOFTWARE\x20IS\x20PROVIDE\
-    D\x20BY\x20THE\x20COPYRIGHT\x20HOLDERS\x20AND\x20CONTRIBUTORS\n\x20\"AS\
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-    LUDING,\x20BUT\x20NOT\n\x20LIMITED\x20TO,\x20THE\x20IMPLIED\x20WARRANTIE\
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-    \x20PURPOSE\x20ARE\x20DISCLAIMED.\x20IN\x20NO\x20EVENT\x20SHALL\x20THE\
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-    \x20ANY\x20DIRECT,\x20INDIRECT,\x20INCIDENTAL,\n\x20SPECIAL,\x20EXEMPLAR\
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-    tocol\x20buffer\x20service.\n\n\n\n\x03\x04\0\x01\x12\x03,\x08\x0b\no\n\
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-    \x07\n\x04\x04\0\x02\x03\x12\x03N\x02\x15\x1a\xe4\x07\x20A\x20version\
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+    \x20must\x20redeclare\x20all\x20the\x20methods\x20from\x20the\x20include\
+    d\x20interface,\x20but\n\x20documentation\x20and\x20options\x20are\x20in\
+    herited\x20as\x20follows:\n\n\x20-\x20If\x20after\x20comment\x20and\x20w\
+    hitespace\x20stripping,\x20the\x20documentation\n\x20\x20\x20string\x20o\
+    f\x20the\x20redeclared\x20method\x20is\x20empty,\x20it\x20will\x20be\x20\
+    inherited\n\x20\x20\x20from\x20the\x20original\x20method.\n\n\x20-\x20Ea\
+    ch\x20annotation\x20belonging\x20to\x20the\x20service\x20config\x20(http\
+    ,\n\x20\x20\x20visibility)\x20which\x20is\x20not\x20set\x20in\x20the\x20\
+    redeclared\x20method\x20will\x20be\n\x20\x20\x20inherited.\n\n\x20-\x20I\
+    f\x20an\x20http\x20annotation\x20is\x20inherited,\x20the\x20path\x20patt\
+    ern\x20will\x20be\n\x20\x20\x20modified\x20as\x20follows.\x20Any\x20vers\
+    ion\x20prefix\x20will\x20be\x20replaced\x20by\x20the\n\x20\x20\x20versio\
+    n\x20of\x20the\x20including\x20interface\x20plus\x20the\x20[root][]\x20p\
+    ath\x20if\n\x20\x20\x20specified.\n\n\x20Example\x20of\x20a\x20simple\
+    \x20mixin:\n\n\x20\x20\x20\x20\x20package\x20google.acl.v1;\n\x20\x20\
+    \x20\x20\x20service\x20AccessControl\x20{\n\x20\x20\x20\x20\x20\x20\x20/\
+    /\x20Get\x20the\x20underlying\x20ACL\x20object.\n\x20\x20\x20\x20\x20\
+    \x20\x20rpc\x20GetAcl(GetAclRequest)\x20returns\x20(Acl)\x20{\n\x20\x20\
+    \x20\x20\x20\x20\x20\x20\x20option\x20(google.api.http).get\x20=\x20\"/v\
+    1/{resource=**}:getAcl\";\n\x20\x20\x20\x20\x20\x20\x20}\n\x20\x20\x20\
+    \x20\x20}\n\n\x20\x20\x20\x20\x20package\x20google.storage.v2;\n\x20\x20\
+    \x20\x20\x20service\x20Storage\x20{\n\x20\x20\x20\x20\x20\x20\x20rpc\x20\
+    GetAcl(GetAclRequest)\x20returns\x20(Acl);\n\n\x20\x20\x20\x20\x20\x20\
+    \x20//\x20Get\x20a\x20data\x20record.\n\x20\x20\x20\x20\x20\x20\x20rpc\
+    \x20GetData(GetDataRequest)\x20returns\x20(Data)\x20{\n\x20\x20\x20\x20\
+    \x20\x20\x20\x20\x20option\x20(google.api.http).get\x20=\x20\"/v2/{resou\
+    rce=**}\";\n\x20\x20\x20\x20\x20\x20\x20}\n\x20\x20\x20\x20\x20}\n\n\x20\
+    Example\x20of\x20a\x20mixin\x20configuration:\n\n\x20\x20\x20\x20\x20api\
+    s:\n\x20\x20\x20\x20\x20-\x20name:\x20google.storage.v2.Storage\n\x20\
+    \x20\x20\x20\x20\x20\x20mixins:\n\x20\x20\x20\x20\x20\x20\x20-\x20name:\
+    \x20google.acl.v1.AccessControl\n\n\x20The\x20mixin\x20construct\x20impl\
+    ies\x20that\x20all\x20methods\x20in\x20`AccessControl`\x20are\n\x20also\
+    \x20declared\x20with\x20same\x20name\x20and\x20request/response\x20types\
+    \x20in\n\x20`Storage`.\x20A\x20documentation\x20generator\x20or\x20annot\
+    ation\x20processor\x20will\n\x20see\x20the\x20effective\x20`Storage.GetA\
+    cl`\x20method\x20after\x20inheriting\n\x20documentation\x20and\x20annota\
+    tions\x20as\x20follows:\n\n\x20\x20\x20\x20\x20service\x20Storage\x20{\n\
+    \x20\x20\x20\x20\x20\x20\x20//\x20Get\x20the\x20underlying\x20ACL\x20obj\
+    ect.\n\x20\x20\x20\x20\x20\x20\x20rpc\x20GetAcl(GetAclRequest)\x20return\
+    s\x20(Acl)\x20{\n\x20\x20\x20\x20\x20\x20\x20\x20\x20option\x20(google.a\
+    pi.http).get\x20=\x20\"/v2/{resource=**}:getAcl\";\n\x20\x20\x20\x20\x20\
+    \x20\x20}\n\x20\x20\x20\x20\x20\x20\x20...\n\x20\x20\x20\x20\x20}\n\n\
+    \x20Note\x20how\x20the\x20version\x20in\x20the\x20path\x20pattern\x20cha\
+    nged\x20from\x20`v1`\x20to\x20`v2`.\n\n\x20If\x20the\x20`root`\x20field\
+    \x20in\x20the\x20mixin\x20is\x20specified,\x20it\x20should\x20be\x20a\n\
+    \x20relative\x20path\x20under\x20which\x20inherited\x20HTTP\x20paths\x20\
+    are\x20placed.\x20Example:\n\n\x20\x20\x20\x20\x20apis:\n\x20\x20\x20\
+    \x20\x20-\x20name:\x20google.storage.v2.Storage\n\x20\x20\x20\x20\x20\
+    \x20\x20mixins:\n\x20\x20\x20\x20\x20\x20\x20-\x20name:\x20google.acl.v1\
+    .AccessControl\n\x20\x20\x20\x20\x20\x20\x20\x20\x20root:\x20acls\n\n\
+    \x20This\x20implies\x20the\x20following\x20inherited\x20HTTP\x20annotati\
+    on:\n\n\x20\x20\x20\x20\x20service\x20Storage\x20{\n\x20\x20\x20\x20\x20\
     \x20\x20//\x20Get\x20the\x20underlying\x20ACL\x20object.\n\x20\x20\x20\
     \x20\x20\x20\x20rpc\x20GetAcl(GetAclRequest)\x20returns\x20(Acl)\x20{\n\
     \x20\x20\x20\x20\x20\x20\x20\x20\x20option\x20(google.api.http).get\x20=\
-    \x20\"/v1/{resource=**}:getAcl\";\n\x20\x20\x20\x20\x20\x20\x20}\n\x20\
-    \x20\x20\x20\x20}\n\n\x20\x20\x20\x20\x20package\x20google.storage.v2;\n\
-    \x20\x20\x20\x20\x20service\x20Storage\x20{\n\x20\x20\x20\x20\x20\x20\
-    \x20rpc\x20GetAcl(GetAclRequest)\x20returns\x20(Acl);\n\n\x20\x20\x20\
-    \x20\x20\x20\x20//\x20Get\x20a\x20data\x20record.\n\x20\x20\x20\x20\x20\
-    \x20\x20rpc\x20GetData(GetDataRequest)\x20returns\x20(Data)\x20{\n\x20\
-    \x20\x20\x20\x20\x20\x20\x20\x20option\x20(google.api.http).get\x20=\x20\
-    \"/v2/{resource=**}\";\n\x20\x20\x20\x20\x20\x20\x20}\n\x20\x20\x20\x20\
-    \x20}\n\n\x20Example\x20of\x20a\x20mixin\x20configuration:\n\n\x20\x20\
-    \x20\x20\x20apis:\n\x20\x20\x20\x20\x20-\x20name:\x20google.storage.v2.S\
-    torage\n\x20\x20\x20\x20\x20\x20\x20mixins:\n\x20\x20\x20\x20\x20\x20\
-    \x20-\x20name:\x20google.acl.v1.AccessControl\n\n\x20The\x20mixin\x20con\
-    struct\x20implies\x20that\x20all\x20methods\x20in\x20`AccessControl`\x20\
-    are\n\x20also\x20declared\x20with\x20same\x20name\x20and\x20request/resp\
-    onse\x20types\x20in\n\x20`Storage`.\x20A\x20documentation\x20generator\
-    \x20or\x20annotation\x20processor\x20will\n\x20see\x20the\x20effective\
-    \x20`Storage.GetAcl`\x20method\x20after\x20inherting\n\x20documentation\
-    \x20and\x20annotations\x20as\x20follows:\n\n\x20\x20\x20\x20\x20service\
-    \x20Storage\x20{\n\x20\x20\x20\x20\x20\x20\x20//\x20Get\x20the\x20underl\
-    ying\x20ACL\x20object.\n\x20\x20\x20\x20\x20\x20\x20rpc\x20GetAcl(GetAcl\
-    Request)\x20returns\x20(Acl)\x20{\n\x20\x20\x20\x20\x20\x20\x20\x20\x20o\
-    ption\x20(google.api.http).get\x20=\x20\"/v2/{resource=**}:getAcl\";\n\
-    \x20\x20\x20\x20\x20\x20\x20}\n\x20\x20\x20\x20\x20\x20\x20...\n\x20\x20\
-    \x20\x20\x20}\n\n\x20Note\x20how\x20the\x20version\x20in\x20the\x20path\
-    \x20pattern\x20changed\x20from\x20`v1`\x20to\x20`v2`.\n\n\x20If\x20the\
-    \x20`root`\x20field\x20in\x20the\x20mixin\x20is\x20specified,\x20it\x20s\
-    hould\x20be\x20a\n\x20relative\x20path\x20under\x20which\x20inherited\
-    \x20HTTP\x20paths\x20are\x20placed.\x20Example:\n\n\x20\x20\x20\x20\x20a\
-    pis:\n\x20\x20\x20\x20\x20-\x20name:\x20google.storage.v2.Storage\n\x20\
-    \x20\x20\x20\x20\x20\x20mixins:\n\x20\x20\x20\x20\x20\x20\x20-\x20name:\
-    \x20google.acl.v1.AccessControl\n\x20\x20\x20\x20\x20\x20\x20\x20\x20roo\
-    t:\x20acls\n\n\x20This\x20implies\x20the\x20following\x20inherited\x20HT\
-    TP\x20annotation:\n\n\x20\x20\x20\x20\x20service\x20Storage\x20{\n\x20\
-    \x20\x20\x20\x20\x20\x20//\x20Get\x20the\x20underlying\x20ACL\x20object.\
-    \n\x20\x20\x20\x20\x20\x20\x20rpc\x20GetAcl(GetAclRequest)\x20returns\
-    \x20(Acl)\x20{\n\x20\x20\x20\x20\x20\x20\x20\x20\x20option\x20(google.ap\
-    i.http).get\x20=\x20\"/v2/acls/{resource=**}:getAcl\";\n\x20\x20\x20\x20\
-    \x20\x20\x20}\n\x20\x20\x20\x20\x20\x20\x20...\n\x20\x20\x20\x20\x20}\n\
-    \n\x0b\n\x03\x04\x02\x01\x12\x04\xc1\x01\x08\r\nF\n\x04\x04\x02\x02\0\
-    \x12\x04\xc3\x01\x02\x12\x1a8\x20The\x20fully\x20qualified\x20name\x20of\
-    \x20the\x20API\x20which\x20is\x20included.\n\n\r\n\x05\x04\x02\x02\0\x05\
-    \x12\x04\xc3\x01\x02\x08\n\r\n\x05\x04\x02\x02\0\x01\x12\x04\xc3\x01\t\r\
-    \n\r\n\x05\x04\x02\x02\0\x03\x12\x04\xc3\x01\x10\x11\n[\n\x04\x04\x02\
-    \x02\x01\x12\x04\xc7\x01\x02\x12\x1aM\x20If\x20non-empty\x20specifies\
-    \x20a\x20path\x20under\x20which\x20inherited\x20HTTP\x20paths\n\x20are\
-    \x20rooted.\n\n\r\n\x05\x04\x02\x02\x01\x05\x12\x04\xc7\x01\x02\x08\n\r\
-    \n\x05\x04\x02\x02\x01\x01\x12\x04\xc7\x01\t\r\n\r\n\x05\x04\x02\x02\x01\
-    \x03\x12\x04\xc7\x01\x10\x11b\x06proto3\
+    \x20\"/v2/acls/{resource=**}:getAcl\";\n\x20\x20\x20\x20\x20\x20\x20}\n\
+    \x20\x20\x20\x20\x20\x20\x20...\n\x20\x20\x20\x20\x20}\n\n\x0b\n\x03\x04\
+    \x02\x01\x12\x04\xc8\x01\x08\r\nL\n\x04\x04\x02\x02\0\x12\x04\xca\x01\
+    \x02\x12\x1a>\x20The\x20fully\x20qualified\x20name\x20of\x20the\x20inter\
+    face\x20which\x20is\x20included.\n\n\r\n\x05\x04\x02\x02\0\x05\x12\x04\
+    \xca\x01\x02\x08\n\r\n\x05\x04\x02\x02\0\x01\x12\x04\xca\x01\t\r\n\r\n\
+    \x05\x04\x02\x02\0\x03\x12\x04\xca\x01\x10\x11\n[\n\x04\x04\x02\x02\x01\
+    \x12\x04\xce\x01\x02\x12\x1aM\x20If\x20non-empty\x20specifies\x20a\x20pa\
+    th\x20under\x20which\x20inherited\x20HTTP\x20paths\n\x20are\x20rooted.\n\
+    \n\r\n\x05\x04\x02\x02\x01\x05\x12\x04\xce\x01\x02\x08\n\r\n\x05\x04\x02\
+    \x02\x01\x01\x12\x04\xce\x01\t\r\n\r\n\x05\x04\x02\x02\x01\x03\x12\x04\
+    \xce\x01\x10\x11b\x06proto3\
 ";
 
 static file_descriptor_proto_lazy: crate::rt::LazyV2<crate::descriptor::FileDescriptorProto> = crate::rt::LazyV2::INIT;
diff --git a/src/well_known_types/duration.rs b/src/well_known_types/duration.rs
index 4c126db..d810b14 100644
--- a/src/well_known_types/duration.rs
+++ b/src/well_known_types/duration.rs
@@ -1,4 +1,4 @@
-// This file is generated by rust-protobuf 2.19.0-pre. Do not edit
+// This file is generated by rust-protobuf 2.22.0-pre. Do not edit
 // @generated
 
 // https://github.com/rust-lang/rust-clippy/issues/702
@@ -20,7 +20,7 @@
 //! Generated file from `google/protobuf/duration.proto`
 
 #[derive(PartialEq,Clone,Default)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub struct Duration {
     // message fields
     pub seconds: i64,
@@ -212,102 +212,117 @@
 static file_descriptor_proto_data: &'static [u8] = b"\
     \n\x1egoogle/protobuf/duration.proto\x12\x0fgoogle.protobuf\":\n\x08Dura\
     tion\x12\x18\n\x07seconds\x18\x01\x20\x01(\x03R\x07seconds\x12\x14\n\x05\
-    nanos\x18\x02\x20\x01(\x05R\x05nanosB|\n\x13com.google.protobufB\rDurati\
-    onProtoP\x01Z*github.com/golang/protobuf/ptypes/duration\xf8\x01\x01\xa2\
-    \x02\x03GPB\xaa\x02\x1eGoogle.Protobuf.WellKnownTypesJ\xe1\x1e\n\x06\x12\
-    \x04\x1e\0g\x01\n\xcc\x0c\n\x01\x0c\x12\x03\x1e\0\x122\xc1\x0c\x20Protoc\
-    ol\x20Buffers\x20-\x20Google's\x20data\x20interchange\x20format\n\x20Cop\
-    yright\x202008\x20Google\x20Inc.\x20\x20All\x20rights\x20reserved.\n\x20\
-    https://developers.google.com/protocol-buffers/\n\n\x20Redistribution\
-    \x20and\x20use\x20in\x20source\x20and\x20binary\x20forms,\x20with\x20or\
-    \x20without\n\x20modification,\x20are\x20permitted\x20provided\x20that\
-    \x20the\x20following\x20conditions\x20are\n\x20met:\n\n\x20\x20\x20\x20\
-    \x20*\x20Redistributions\x20of\x20source\x20code\x20must\x20retain\x20th\
-    e\x20above\x20copyright\n\x20notice,\x20this\x20list\x20of\x20conditions\
-    \x20and\x20the\x20following\x20disclaimer.\n\x20\x20\x20\x20\x20*\x20Red\
-    istributions\x20in\x20binary\x20form\x20must\x20reproduce\x20the\x20abov\
-    e\n\x20copyright\x20notice,\x20this\x20list\x20of\x20conditions\x20and\
-    \x20the\x20following\x20disclaimer\n\x20in\x20the\x20documentation\x20an\
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-    .\x20nor\x20the\x20names\x20of\x20its\n\x20contributors\x20may\x20be\x20\
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-    \x20this\x20software\x20without\x20specific\x20prior\x20written\x20permi\
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-    EXPRESS\x20OR\x20IMPLIED\x20WARRANTIES,\x20INCLUDING,\x20BUT\x20NOT\n\
-    \x20LIMITED\x20TO,\x20THE\x20IMPLIED\x20WARRANTIES\x20OF\x20MERCHANTABIL\
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-    \x20OR\x20CONTRIBUTORS\x20BE\x20LIABLE\x20FOR\x20ANY\x20DIRECT,\x20INDIR\
-    ECT,\x20INCIDENTAL,\n\x20SPECIAL,\x20EXEMPLARY,\x20OR\x20CONSEQUENTIAL\
-    \x20DAMAGES\x20(INCLUDING,\x20BUT\x20NOT\n\x20LIMITED\x20TO,\x20PROCUREM\
-    ENT\x20OF\x20SUBSTITUTE\x20GOODS\x20OR\x20SERVICES;\x20LOSS\x20OF\x20USE\
-    ,\n\x20DATA,\x20OR\x20PROFITS;\x20OR\x20BUSINESS\x20INTERRUPTION)\x20HOW\
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-    ETHER\x20IN\x20CONTRACT,\x20STRICT\x20LIABILITY,\x20OR\x20TORT\n\x20(INC\
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-    \x20ADVISED\x20OF\x20THE\x20POSSIBILITY\x20OF\x20SUCH\x20DAMAGE.\n\n\x08\
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-    \x01\x08\x12\x03%\0,\n\t\n\x02\x08\x01\x12\x03%\0,\n\x08\n\x01\x08\x12\
-    \x03&\0.\n\t\n\x02\x08\x08\x12\x03&\0.\n\x08\n\x01\x08\x12\x03'\0\"\n\t\
-    \n\x02\x08\n\x12\x03'\0\"\n\x08\n\x01\x08\x12\x03(\0!\n\t\n\x02\x08$\x12\
-    \x03(\0!\n\x92\x0c\n\x02\x04\0\x12\x04Z\0g\x01\x1a\x85\x0c\x20A\x20Durat\
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-    \x20represented\n\x20as\x20a\x20count\x20of\x20seconds\x20and\x20fractio\
-    ns\x20of\x20seconds\x20at\x20nanosecond\n\x20resolution.\x20It\x20is\x20\
-    independent\x20of\x20any\x20calendar\x20and\x20concepts\x20like\x20\"day\
-    \"\n\x20or\x20\"month\".\x20It\x20is\x20related\x20to\x20Timestamp\x20in\
-    \x20that\x20the\x20difference\x20between\n\x20two\x20Timestamp\x20values\
-    \x20is\x20a\x20Duration\x20and\x20it\x20can\x20be\x20added\x20or\x20subt\
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-    -10,000\x20years.\n\n\x20Example\x201:\x20Compute\x20Duration\x20from\
-    \x20two\x20Timestamps\x20in\x20pseudo\x20code.\n\n\x20\x20\x20\x20\x20Ti\
-    mestamp\x20start\x20=\x20...;\n\x20\x20\x20\x20\x20Timestamp\x20end\x20=\
-    \x20...;\n\x20\x20\x20\x20\x20Duration\x20duration\x20=\x20...;\n\n\x20\
-    \x20\x20\x20\x20duration.seconds\x20=\x20end.seconds\x20-\x20start.secon\
-    ds;\n\x20\x20\x20\x20\x20duration.nanos\x20=\x20end.nanos\x20-\x20start.\
-    nanos;\n\n\x20\x20\x20\x20\x20if\x20(duration.seconds\x20<\x200\x20&&\
-    \x20duration.nanos\x20>\x200)\x20{\n\x20\x20\x20\x20\x20\x20\x20duration\
-    .seconds\x20+=\x201;\n\x20\x20\x20\x20\x20\x20\x20duration.nanos\x20-=\
-    \x201000000000;\n\x20\x20\x20\x20\x20}\x20else\x20if\x20(durations.secon\
-    ds\x20>\x200\x20&&\x20duration.nanos\x20<\x200)\x20{\n\x20\x20\x20\x20\
-    \x20\x20\x20duration.seconds\x20-=\x201;\n\x20\x20\x20\x20\x20\x20\x20du\
-    ration.nanos\x20+=\x201000000000;\n\x20\x20\x20\x20\x20}\n\n\x20Example\
-    \x202:\x20Compute\x20Timestamp\x20from\x20Timestamp\x20+\x20Duration\x20\
-    in\x20pseudo\x20code.\n\n\x20\x20\x20\x20\x20Timestamp\x20start\x20=\x20\
-    ...;\n\x20\x20\x20\x20\x20Duration\x20duration\x20=\x20...;\n\x20\x20\
-    \x20\x20\x20Timestamp\x20end\x20=\x20...;\n\n\x20\x20\x20\x20\x20end.sec\
-    onds\x20=\x20start.seconds\x20+\x20duration.seconds;\n\x20\x20\x20\x20\
-    \x20end.nanos\x20=\x20start.nanos\x20+\x20duration.nanos;\n\n\x20\x20\
-    \x20\x20\x20if\x20(end.nanos\x20<\x200)\x20{\n\x20\x20\x20\x20\x20\x20\
-    \x20end.seconds\x20-=\x201;\n\x20\x20\x20\x20\x20\x20\x20end.nanos\x20+=\
-    \x201000000000;\n\x20\x20\x20\x20\x20}\x20else\x20if\x20(end.nanos\x20>=\
-    \x201000000000)\x20{\n\x20\x20\x20\x20\x20\x20\x20end.seconds\x20+=\x201\
-    ;\n\x20\x20\x20\x20\x20\x20\x20end.nanos\x20-=\x201000000000;\n\x20\x20\
-    \x20\x20\x20}\n\n\x20Example\x203:\x20Compute\x20Duration\x20from\x20dat\
-    etime.timedelta\x20in\x20Python.\n\n\x20\x20\x20\x20\x20td\x20=\x20datet\
-    ime.timedelta(days=3,\x20minutes=10)\n\x20\x20\x20\x20\x20duration\x20=\
-    \x20Duration()\n\x20\x20\x20\x20\x20duration.FromTimedelta(td)\n\n\n\n\n\
-    \n\x03\x04\0\x01\x12\x03Z\x08\x10\np\n\x04\x04\0\x02\0\x12\x03^\x02\x14\
-    \x1ac\x20Signed\x20seconds\x20of\x20the\x20span\x20of\x20time.\x20Must\
-    \x20be\x20from\x20-315,576,000,000\n\x20to\x20+315,576,000,000\x20inclus\
-    ive.\n\n\x0c\n\x05\x04\0\x02\0\x05\x12\x03^\x02\x07\n\x0c\n\x05\x04\0\
-    \x02\0\x01\x12\x03^\x08\x0f\n\x0c\n\x05\x04\0\x02\0\x03\x12\x03^\x12\x13\
-    \n\x83\x03\n\x04\x04\0\x02\x01\x12\x03f\x02\x12\x1a\xf5\x02\x20Signed\
-    \x20fractions\x20of\x20a\x20second\x20at\x20nanosecond\x20resolution\x20\
-    of\x20the\x20span\n\x20of\x20time.\x20Durations\x20less\x20than\x20one\
-    \x20second\x20are\x20represented\x20with\x20a\x200\n\x20`seconds`\x20fie\
-    ld\x20and\x20a\x20positive\x20or\x20negative\x20`nanos`\x20field.\x20For\
-    \x20durations\n\x20of\x20one\x20second\x20or\x20more,\x20a\x20non-zero\
-    \x20value\x20for\x20the\x20`nanos`\x20field\x20must\x20be\n\x20of\x20the\
-    \x20same\x20sign\x20as\x20the\x20`seconds`\x20field.\x20Must\x20be\x20fr\
-    om\x20-999,999,999\n\x20to\x20+999,999,999\x20inclusive.\n\n\x0c\n\x05\
-    \x04\0\x02\x01\x05\x12\x03f\x02\x07\n\x0c\n\x05\x04\0\x02\x01\x01\x12\
-    \x03f\x08\r\n\x0c\n\x05\x04\0\x02\x01\x03\x12\x03f\x10\x11b\x06proto3\
+    nanos\x18\x02\x20\x01(\x05R\x05nanosB\x83\x01\n\x13com.google.protobufB\
+    \rDurationProtoP\x01Z1google.golang.org/protobuf/types/known/durationpb\
+    \xf8\x01\x01\xa2\x02\x03GPB\xaa\x02\x1eGoogle.Protobuf.WellKnownTypesJ\
+    \xda#\n\x06\x12\x04\x1e\0s\x01\n\xcc\x0c\n\x01\x0c\x12\x03\x1e\0\x122\
+    \xc1\x0c\x20Protocol\x20Buffers\x20-\x20Google's\x20data\x20interchange\
+    \x20format\n\x20Copyright\x202008\x20Google\x20Inc.\x20\x20All\x20rights\
+    \x20reserved.\n\x20https://developers.google.com/protocol-buffers/\n\n\
+    \x20Redistribution\x20and\x20use\x20in\x20source\x20and\x20binary\x20for\
+    ms,\x20with\x20or\x20without\n\x20modification,\x20are\x20permitted\x20p\
+    rovided\x20that\x20the\x20following\x20conditions\x20are\n\x20met:\n\n\
+    \x20\x20\x20\x20\x20*\x20Redistributions\x20of\x20source\x20code\x20must\
+    \x20retain\x20the\x20above\x20copyright\n\x20notice,\x20this\x20list\x20\
+    of\x20conditions\x20and\x20the\x20following\x20disclaimer.\n\x20\x20\x20\
+    \x20\x20*\x20Redistributions\x20in\x20binary\x20form\x20must\x20reproduc\
+    e\x20the\x20above\n\x20copyright\x20notice,\x20this\x20list\x20of\x20con\
+    ditions\x20and\x20the\x20following\x20disclaimer\n\x20in\x20the\x20docum\
+    entation\x20and/or\x20other\x20materials\x20provided\x20with\x20the\n\
+    \x20distribution.\n\x20\x20\x20\x20\x20*\x20Neither\x20the\x20name\x20of\
+    \x20Google\x20Inc.\x20nor\x20the\x20names\x20of\x20its\n\x20contributors\
+    \x20may\x20be\x20used\x20to\x20endorse\x20or\x20promote\x20products\x20d\
+    erived\x20from\n\x20this\x20software\x20without\x20specific\x20prior\x20\
+    written\x20permission.\n\n\x20THIS\x20SOFTWARE\x20IS\x20PROVIDED\x20BY\
+    \x20THE\x20COPYRIGHT\x20HOLDERS\x20AND\x20CONTRIBUTORS\n\x20\"AS\x20IS\"\
+    \x20AND\x20ANY\x20EXPRESS\x20OR\x20IMPLIED\x20WARRANTIES,\x20INCLUDING,\
+    \x20BUT\x20NOT\n\x20LIMITED\x20TO,\x20THE\x20IMPLIED\x20WARRANTIES\x20OF\
+    \x20MERCHANTABILITY\x20AND\x20FITNESS\x20FOR\n\x20A\x20PARTICULAR\x20PUR\
+    POSE\x20ARE\x20DISCLAIMED.\x20IN\x20NO\x20EVENT\x20SHALL\x20THE\x20COPYR\
+    IGHT\n\x20OWNER\x20OR\x20CONTRIBUTORS\x20BE\x20LIABLE\x20FOR\x20ANY\x20D\
+    IRECT,\x20INDIRECT,\x20INCIDENTAL,\n\x20SPECIAL,\x20EXEMPLARY,\x20OR\x20\
+    CONSEQUENTIAL\x20DAMAGES\x20(INCLUDING,\x20BUT\x20NOT\n\x20LIMITED\x20TO\
+    ,\x20PROCUREMENT\x20OF\x20SUBSTITUTE\x20GOODS\x20OR\x20SERVICES;\x20LOSS\
+    \x20OF\x20USE,\n\x20DATA,\x20OR\x20PROFITS;\x20OR\x20BUSINESS\x20INTERRU\
+    PTION)\x20HOWEVER\x20CAUSED\x20AND\x20ON\x20ANY\n\x20THEORY\x20OF\x20LIA\
+    BILITY,\x20WHETHER\x20IN\x20CONTRACT,\x20STRICT\x20LIABILITY,\x20OR\x20T\
+    ORT\n\x20(INCLUDING\x20NEGLIGENCE\x20OR\x20OTHERWISE)\x20ARISING\x20IN\
+    \x20ANY\x20WAY\x20OUT\x20OF\x20THE\x20USE\n\x20OF\x20THIS\x20SOFTWARE,\
+    \x20EVEN\x20IF\x20ADVISED\x20OF\x20THE\x20POSSIBILITY\x20OF\x20SUCH\x20D\
+    AMAGE.\n\n\x08\n\x01\x02\x12\x03\x20\0\x18\n\x08\n\x01\x08\x12\x03\"\0;\
+    \n\t\n\x02\x08%\x12\x03\"\0;\n\x08\n\x01\x08\x12\x03#\0\x1f\n\t\n\x02\
+    \x08\x1f\x12\x03#\0\x1f\n\x08\n\x01\x08\x12\x03$\0H\n\t\n\x02\x08\x0b\
+    \x12\x03$\0H\n\x08\n\x01\x08\x12\x03%\0,\n\t\n\x02\x08\x01\x12\x03%\0,\n\
+    \x08\n\x01\x08\x12\x03&\0.\n\t\n\x02\x08\x08\x12\x03&\0.\n\x08\n\x01\x08\
+    \x12\x03'\0\"\n\t\n\x02\x08\n\x12\x03'\0\"\n\x08\n\x01\x08\x12\x03(\0!\n\
+    \t\n\x02\x08$\x12\x03(\0!\n\x9e\x10\n\x02\x04\0\x12\x04f\0s\x01\x1a\x91\
+    \x10\x20A\x20Duration\x20represents\x20a\x20signed,\x20fixed-length\x20s\
+    pan\x20of\x20time\x20represented\n\x20as\x20a\x20count\x20of\x20seconds\
+    \x20and\x20fractions\x20of\x20seconds\x20at\x20nanosecond\n\x20resolutio\
+    n.\x20It\x20is\x20independent\x20of\x20any\x20calendar\x20and\x20concept\
+    s\x20like\x20\"day\"\n\x20or\x20\"month\".\x20It\x20is\x20related\x20to\
+    \x20Timestamp\x20in\x20that\x20the\x20difference\x20between\n\x20two\x20\
+    Timestamp\x20values\x20is\x20a\x20Duration\x20and\x20it\x20can\x20be\x20\
+    added\x20or\x20subtracted\n\x20from\x20a\x20Timestamp.\x20Range\x20is\
+    \x20approximately\x20+-10,000\x20years.\n\n\x20#\x20Examples\n\n\x20Exam\
+    ple\x201:\x20Compute\x20Duration\x20from\x20two\x20Timestamps\x20in\x20p\
+    seudo\x20code.\n\n\x20\x20\x20\x20\x20Timestamp\x20start\x20=\x20...;\n\
+    \x20\x20\x20\x20\x20Timestamp\x20end\x20=\x20...;\n\x20\x20\x20\x20\x20D\
+    uration\x20duration\x20=\x20...;\n\n\x20\x20\x20\x20\x20duration.seconds\
+    \x20=\x20end.seconds\x20-\x20start.seconds;\n\x20\x20\x20\x20\x20duratio\
+    n.nanos\x20=\x20end.nanos\x20-\x20start.nanos;\n\n\x20\x20\x20\x20\x20if\
+    \x20(duration.seconds\x20<\x200\x20&&\x20duration.nanos\x20>\x200)\x20{\
+    \n\x20\x20\x20\x20\x20\x20\x20duration.seconds\x20+=\x201;\n\x20\x20\x20\
+    \x20\x20\x20\x20duration.nanos\x20-=\x201000000000;\n\x20\x20\x20\x20\
+    \x20}\x20else\x20if\x20(duration.seconds\x20>\x200\x20&&\x20duration.nan\
+    os\x20<\x200)\x20{\n\x20\x20\x20\x20\x20\x20\x20duration.seconds\x20-=\
+    \x201;\n\x20\x20\x20\x20\x20\x20\x20duration.nanos\x20+=\x201000000000;\
+    \n\x20\x20\x20\x20\x20}\n\n\x20Example\x202:\x20Compute\x20Timestamp\x20\
+    from\x20Timestamp\x20+\x20Duration\x20in\x20pseudo\x20code.\n\n\x20\x20\
+    \x20\x20\x20Timestamp\x20start\x20=\x20...;\n\x20\x20\x20\x20\x20Duratio\
+    n\x20duration\x20=\x20...;\n\x20\x20\x20\x20\x20Timestamp\x20end\x20=\
+    \x20...;\n\n\x20\x20\x20\x20\x20end.seconds\x20=\x20start.seconds\x20+\
+    \x20duration.seconds;\n\x20\x20\x20\x20\x20end.nanos\x20=\x20start.nanos\
+    \x20+\x20duration.nanos;\n\n\x20\x20\x20\x20\x20if\x20(end.nanos\x20<\
+    \x200)\x20{\n\x20\x20\x20\x20\x20\x20\x20end.seconds\x20-=\x201;\n\x20\
+    \x20\x20\x20\x20\x20\x20end.nanos\x20+=\x201000000000;\n\x20\x20\x20\x20\
+    \x20}\x20else\x20if\x20(end.nanos\x20>=\x201000000000)\x20{\n\x20\x20\
+    \x20\x20\x20\x20\x20end.seconds\x20+=\x201;\n\x20\x20\x20\x20\x20\x20\
+    \x20end.nanos\x20-=\x201000000000;\n\x20\x20\x20\x20\x20}\n\n\x20Example\
+    \x203:\x20Compute\x20Duration\x20from\x20datetime.timedelta\x20in\x20Pyt\
+    hon.\n\n\x20\x20\x20\x20\x20td\x20=\x20datetime.timedelta(days=3,\x20min\
+    utes=10)\n\x20\x20\x20\x20\x20duration\x20=\x20Duration()\n\x20\x20\x20\
+    \x20\x20duration.FromTimedelta(td)\n\n\x20#\x20JSON\x20Mapping\n\n\x20In\
+    \x20JSON\x20format,\x20the\x20Duration\x20type\x20is\x20encoded\x20as\
+    \x20a\x20string\x20rather\x20than\x20an\n\x20object,\x20where\x20the\x20\
+    string\x20ends\x20in\x20the\x20suffix\x20\"s\"\x20(indicating\x20seconds\
+    )\x20and\n\x20is\x20preceded\x20by\x20the\x20number\x20of\x20seconds,\
+    \x20with\x20nanoseconds\x20expressed\x20as\n\x20fractional\x20seconds.\
+    \x20For\x20example,\x203\x20seconds\x20with\x200\x20nanoseconds\x20shoul\
+    d\x20be\n\x20encoded\x20in\x20JSON\x20format\x20as\x20\"3s\",\x20while\
+    \x203\x20seconds\x20and\x201\x20nanosecond\x20should\n\x20be\x20expresse\
+    d\x20in\x20JSON\x20format\x20as\x20\"3.000000001s\",\x20and\x203\x20seco\
+    nds\x20and\x201\n\x20microsecond\x20should\x20be\x20expressed\x20in\x20J\
+    SON\x20format\x20as\x20\"3.000001s\".\n\n\n\n\n\n\x03\x04\0\x01\x12\x03f\
+    \x08\x10\n\xdc\x01\n\x04\x04\0\x02\0\x12\x03j\x02\x14\x1a\xce\x01\x20Sig\
+    ned\x20seconds\x20of\x20the\x20span\x20of\x20time.\x20Must\x20be\x20from\
+    \x20-315,576,000,000\n\x20to\x20+315,576,000,000\x20inclusive.\x20Note:\
+    \x20these\x20bounds\x20are\x20computed\x20from:\n\x2060\x20sec/min\x20*\
+    \x2060\x20min/hr\x20*\x2024\x20hr/day\x20*\x20365.25\x20days/year\x20*\
+    \x2010000\x20years\n\n\x0c\n\x05\x04\0\x02\0\x05\x12\x03j\x02\x07\n\x0c\
+    \n\x05\x04\0\x02\0\x01\x12\x03j\x08\x0f\n\x0c\n\x05\x04\0\x02\0\x03\x12\
+    \x03j\x12\x13\n\x83\x03\n\x04\x04\0\x02\x01\x12\x03r\x02\x12\x1a\xf5\x02\
+    \x20Signed\x20fractions\x20of\x20a\x20second\x20at\x20nanosecond\x20reso\
+    lution\x20of\x20the\x20span\n\x20of\x20time.\x20Durations\x20less\x20tha\
+    n\x20one\x20second\x20are\x20represented\x20with\x20a\x200\n\x20`seconds\
+    `\x20field\x20and\x20a\x20positive\x20or\x20negative\x20`nanos`\x20field\
+    .\x20For\x20durations\n\x20of\x20one\x20second\x20or\x20more,\x20a\x20no\
+    n-zero\x20value\x20for\x20the\x20`nanos`\x20field\x20must\x20be\n\x20of\
+    \x20the\x20same\x20sign\x20as\x20the\x20`seconds`\x20field.\x20Must\x20b\
+    e\x20from\x20-999,999,999\n\x20to\x20+999,999,999\x20inclusive.\n\n\x0c\
+    \n\x05\x04\0\x02\x01\x05\x12\x03r\x02\x07\n\x0c\n\x05\x04\0\x02\x01\x01\
+    \x12\x03r\x08\r\n\x0c\n\x05\x04\0\x02\x01\x03\x12\x03r\x10\x11b\x06proto\
+    3\
 ";
 
 static file_descriptor_proto_lazy: crate::rt::LazyV2<crate::descriptor::FileDescriptorProto> = crate::rt::LazyV2::INIT;
diff --git a/src/well_known_types/empty.rs b/src/well_known_types/empty.rs
index a62ac28..2464f43 100644
--- a/src/well_known_types/empty.rs
+++ b/src/well_known_types/empty.rs
@@ -1,4 +1,4 @@
-// This file is generated by rust-protobuf 2.19.0-pre. Do not edit
+// This file is generated by rust-protobuf 2.22.0-pre. Do not edit
 // @generated
 
 // https://github.com/rust-lang/rust-clippy/issues/702
@@ -20,7 +20,7 @@
 //! Generated file from `google/protobuf/empty.proto`
 
 #[derive(PartialEq,Clone,Default)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub struct Empty {
     // special fields
     #[cfg_attr(feature = "with-serde", serde(skip))]
@@ -140,48 +140,48 @@
 
 static file_descriptor_proto_data: &'static [u8] = b"\
     \n\x1bgoogle/protobuf/empty.proto\x12\x0fgoogle.protobuf\"\x07\n\x05Empt\
-    yBv\n\x13com.google.protobufB\nEmptyProtoP\x01Z'github.com/golang/protob\
-    uf/ptypes/empty\xf8\x01\x01\xa2\x02\x03GPB\xaa\x02\x1eGoogle.Protobuf.We\
-    llKnownTypesJ\xfe\x10\n\x06\x12\x04\x1e\03\x10\n\xcc\x0c\n\x01\x0c\x12\
-    \x03\x1e\0\x122\xc1\x0c\x20Protocol\x20Buffers\x20-\x20Google's\x20data\
-    \x20interchange\x20format\n\x20Copyright\x202008\x20Google\x20Inc.\x20\
-    \x20All\x20rights\x20reserved.\n\x20https://developers.google.com/protoc\
-    ol-buffers/\n\n\x20Redistribution\x20and\x20use\x20in\x20source\x20and\
-    \x20binary\x20forms,\x20with\x20or\x20without\n\x20modification,\x20are\
-    \x20permitted\x20provided\x20that\x20the\x20following\x20conditions\x20a\
-    re\n\x20met:\n\n\x20\x20\x20\x20\x20*\x20Redistributions\x20of\x20source\
-    \x20code\x20must\x20retain\x20the\x20above\x20copyright\n\x20notice,\x20\
-    this\x20list\x20of\x20conditions\x20and\x20the\x20following\x20disclaime\
-    r.\n\x20\x20\x20\x20\x20*\x20Redistributions\x20in\x20binary\x20form\x20\
-    must\x20reproduce\x20the\x20above\n\x20copyright\x20notice,\x20this\x20l\
-    ist\x20of\x20conditions\x20and\x20the\x20following\x20disclaimer\n\x20in\
-    \x20the\x20documentation\x20and/or\x20other\x20materials\x20provided\x20\
-    with\x20the\n\x20distribution.\n\x20\x20\x20\x20\x20*\x20Neither\x20the\
-    \x20name\x20of\x20Google\x20Inc.\x20nor\x20the\x20names\x20of\x20its\n\
-    \x20contributors\x20may\x20be\x20used\x20to\x20endorse\x20or\x20promote\
-    \x20products\x20derived\x20from\n\x20this\x20software\x20without\x20spec\
-    ific\x20prior\x20written\x20permission.\n\n\x20THIS\x20SOFTWARE\x20IS\
-    \x20PROVIDED\x20BY\x20THE\x20COPYRIGHT\x20HOLDERS\x20AND\x20CONTRIBUTORS\
-    \n\x20\"AS\x20IS\"\x20AND\x20ANY\x20EXPRESS\x20OR\x20IMPLIED\x20WARRANTI\
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-    \x12\x03&\0\"\n\x08\n\x01\x08\x12\x03'\0!\n\t\n\x02\x08$\x12\x03'\0!\n\
+    yB}\n\x13com.google.protobufB\nEmptyProtoP\x01Z.google.golang.org/protob\
+    uf/types/known/emptypb\xf8\x01\x01\xa2\x02\x03GPB\xaa\x02\x1eGoogle.Prot\
+    obuf.WellKnownTypesJ\xfe\x10\n\x06\x12\x04\x1e\03\x10\n\xcc\x0c\n\x01\
+    \x0c\x12\x03\x1e\0\x122\xc1\x0c\x20Protocol\x20Buffers\x20-\x20Google's\
+    \x20data\x20interchange\x20format\n\x20Copyright\x202008\x20Google\x20In\
+    c.\x20\x20All\x20rights\x20reserved.\n\x20https://developers.google.com/\
+    protocol-buffers/\n\n\x20Redistribution\x20and\x20use\x20in\x20source\
+    \x20and\x20binary\x20forms,\x20with\x20or\x20without\n\x20modification,\
+    \x20are\x20permitted\x20provided\x20that\x20the\x20following\x20conditio\
+    ns\x20are\n\x20met:\n\n\x20\x20\x20\x20\x20*\x20Redistributions\x20of\
+    \x20source\x20code\x20must\x20retain\x20the\x20above\x20copyright\n\x20n\
+    otice,\x20this\x20list\x20of\x20conditions\x20and\x20the\x20following\
+    \x20disclaimer.\n\x20\x20\x20\x20\x20*\x20Redistributions\x20in\x20binar\
+    y\x20form\x20must\x20reproduce\x20the\x20above\n\x20copyright\x20notice,\
+    \x20this\x20list\x20of\x20conditions\x20and\x20the\x20following\x20discl\
+    aimer\n\x20in\x20the\x20documentation\x20and/or\x20other\x20materials\
+    \x20provided\x20with\x20the\n\x20distribution.\n\x20\x20\x20\x20\x20*\
+    \x20Neither\x20the\x20name\x20of\x20Google\x20Inc.\x20nor\x20the\x20name\
+    s\x20of\x20its\n\x20contributors\x20may\x20be\x20used\x20to\x20endorse\
+    \x20or\x20promote\x20products\x20derived\x20from\n\x20this\x20software\
+    \x20without\x20specific\x20prior\x20written\x20permission.\n\n\x20THIS\
+    \x20SOFTWARE\x20IS\x20PROVIDED\x20BY\x20THE\x20COPYRIGHT\x20HOLDERS\x20A\
+    ND\x20CONTRIBUTORS\n\x20\"AS\x20IS\"\x20AND\x20ANY\x20EXPRESS\x20OR\x20I\
+    MPLIED\x20WARRANTIES,\x20INCLUDING,\x20BUT\x20NOT\n\x20LIMITED\x20TO,\
+    \x20THE\x20IMPLIED\x20WARRANTIES\x20OF\x20MERCHANTABILITY\x20AND\x20FITN\
+    ESS\x20FOR\n\x20A\x20PARTICULAR\x20PURPOSE\x20ARE\x20DISCLAIMED.\x20IN\
+    \x20NO\x20EVENT\x20SHALL\x20THE\x20COPYRIGHT\n\x20OWNER\x20OR\x20CONTRIB\
+    UTORS\x20BE\x20LIABLE\x20FOR\x20ANY\x20DIRECT,\x20INDIRECT,\x20INCIDENTA\
+    L,\n\x20SPECIAL,\x20EXEMPLARY,\x20OR\x20CONSEQUENTIAL\x20DAMAGES\x20(INC\
+    LUDING,\x20BUT\x20NOT\n\x20LIMITED\x20TO,\x20PROCUREMENT\x20OF\x20SUBSTI\
+    TUTE\x20GOODS\x20OR\x20SERVICES;\x20LOSS\x20OF\x20USE,\n\x20DATA,\x20OR\
+    \x20PROFITS;\x20OR\x20BUSINESS\x20INTERRUPTION)\x20HOWEVER\x20CAUSED\x20\
+    AND\x20ON\x20ANY\n\x20THEORY\x20OF\x20LIABILITY,\x20WHETHER\x20IN\x20CON\
+    TRACT,\x20STRICT\x20LIABILITY,\x20OR\x20TORT\n\x20(INCLUDING\x20NEGLIGEN\
+    CE\x20OR\x20OTHERWISE)\x20ARISING\x20IN\x20ANY\x20WAY\x20OUT\x20OF\x20TH\
+    E\x20USE\n\x20OF\x20THIS\x20SOFTWARE,\x20EVEN\x20IF\x20ADVISED\x20OF\x20\
+    THE\x20POSSIBILITY\x20OF\x20SUCH\x20DAMAGE.\n\n\x08\n\x01\x02\x12\x03\
+    \x20\0\x18\n\x08\n\x01\x08\x12\x03\"\0;\n\t\n\x02\x08%\x12\x03\"\0;\n\
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+    \x12\x03$\0,\n\t\n\x02\x08\x01\x12\x03$\0,\n\x08\n\x01\x08\x12\x03%\0+\n\
+    \t\n\x02\x08\x08\x12\x03%\0+\n\x08\n\x01\x08\x12\x03&\0\"\n\t\n\x02\x08\
+    \n\x12\x03&\0\"\n\x08\n\x01\x08\x12\x03'\0!\n\t\n\x02\x08$\x12\x03'\0!\n\
     \x08\n\x01\x08\x12\x03(\0\x1f\n\t\n\x02\x08\x1f\x12\x03(\0\x1f\n\xfb\x02\
     \n\x02\x04\0\x12\x033\0\x10\x1a\xef\x02\x20A\x20generic\x20empty\x20mess\
     age\x20that\x20you\x20can\x20re-use\x20to\x20avoid\x20defining\x20duplic\
diff --git a/src/well_known_types/field_mask.rs b/src/well_known_types/field_mask.rs
index c9db6c0..dc0ed10 100644
--- a/src/well_known_types/field_mask.rs
+++ b/src/well_known_types/field_mask.rs
@@ -1,4 +1,4 @@
-// This file is generated by rust-protobuf 2.19.0-pre. Do not edit
+// This file is generated by rust-protobuf 2.22.0-pre. Do not edit
 // @generated
 
 // https://github.com/rust-lang/rust-clippy/issues/702
@@ -20,7 +20,7 @@
 //! Generated file from `google/protobuf/field_mask.proto`
 
 #[derive(PartialEq,Clone,Default)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub struct FieldMask {
     // message fields
     pub paths: crate::RepeatedField<::std::string::String>,
@@ -182,9 +182,10 @@
 
 static file_descriptor_proto_data: &'static [u8] = b"\
     \n\x20google/protobuf/field_mask.proto\x12\x0fgoogle.protobuf\"!\n\tFiel\
-    dMask\x12\x14\n\x05paths\x18\x01\x20\x03(\tR\x05pathsBN\n\x13com.google.\
-    protobufB\x0eFieldMaskProtoP\x01\xa2\x02\x03GPB\xaa\x02\x1eGoogle.Protob\
-    uf.WellKnownTypesJ\x929\n\x07\x12\x05\x1e\0\xf4\x01\x01\n\xcc\x0c\n\x01\
+    dMask\x12\x14\n\x05paths\x18\x01\x20\x03(\tR\x05pathsB\x85\x01\n\x13com.\
+    google.protobufB\x0eFieldMaskProtoP\x01Z2google.golang.org/protobuf/type\
+    s/known/fieldmaskpb\xf8\x01\x01\xa2\x02\x03GPB\xaa\x02\x1eGoogle.Protobu\
+    f.WellKnownTypesJ\xa1;\n\x07\x12\x05\x1e\0\xf4\x01\x01\n\xcc\x0c\n\x01\
     \x0c\x12\x03\x1e\0\x122\xc1\x0c\x20Protocol\x20Buffers\x20-\x20Google's\
     \x20data\x20interchange\x20format\n\x20Copyright\x202008\x20Google\x20In\
     c.\x20\x20All\x20rights\x20reserved.\n\x20https://developers.google.com/\
@@ -223,124 +224,124 @@
     \x08\n\x01\x08\x12\x03#\0,\n\t\n\x02\x08\x01\x12\x03#\0,\n\x08\n\x01\x08\
     \x12\x03$\0/\n\t\n\x02\x08\x08\x12\x03$\0/\n\x08\n\x01\x08\x12\x03%\0\"\
     \n\t\n\x02\x08\n\x12\x03%\0\"\n\x08\n\x01\x08\x12\x03&\0!\n\t\n\x02\x08$\
-    \x12\x03&\0!\n\xcd*\n\x02\x04\0\x12\x06\xf1\x01\0\xf4\x01\x01\x1a\xbe*\
-    \x20`FieldMask`\x20represents\x20a\x20set\x20of\x20symbolic\x20field\x20\
-    paths,\x20for\x20example:\n\n\x20\x20\x20\x20\x20paths:\x20\"f.a\"\n\x20\
-    \x20\x20\x20\x20paths:\x20\"f.b.d\"\n\n\x20Here\x20`f`\x20represents\x20\
-    a\x20field\x20in\x20some\x20root\x20message,\x20`a`\x20and\x20`b`\n\x20f\
-    ields\x20in\x20the\x20message\x20found\x20in\x20`f`,\x20and\x20`d`\x20a\
-    \x20field\x20found\x20in\x20the\n\x20message\x20in\x20`f.b`.\n\n\x20Fiel\
-    d\x20masks\x20are\x20used\x20to\x20specify\x20a\x20subset\x20of\x20field\
-    s\x20that\x20should\x20be\n\x20returned\x20by\x20a\x20get\x20operation\
-    \x20or\x20modified\x20by\x20an\x20update\x20operation.\n\x20Field\x20mas\
-    ks\x20also\x20have\x20a\x20custom\x20JSON\x20encoding\x20(see\x20below).\
-    \n\n\x20#\x20Field\x20Masks\x20in\x20Projections\n\n\x20When\x20used\x20\
-    in\x20the\x20context\x20of\x20a\x20projection,\x20a\x20response\x20messa\
-    ge\x20or\n\x20sub-message\x20is\x20filtered\x20by\x20the\x20API\x20to\
-    \x20only\x20contain\x20those\x20fields\x20as\n\x20specified\x20in\x20the\
-    \x20mask.\x20For\x20example,\x20if\x20the\x20mask\x20in\x20the\x20previo\
-    us\n\x20example\x20is\x20applied\x20to\x20a\x20response\x20message\x20as\
-    \x20follows:\n\n\x20\x20\x20\x20\x20f\x20{\n\x20\x20\x20\x20\x20\x20\x20\
-    a\x20:\x2022\n\x20\x20\x20\x20\x20\x20\x20b\x20{\n\x20\x20\x20\x20\x20\
-    \x20\x20\x20\x20d\x20:\x201\n\x20\x20\x20\x20\x20\x20\x20\x20\x20x\x20:\
-    \x202\n\x20\x20\x20\x20\x20\x20\x20}\n\x20\x20\x20\x20\x20\x20\x20y\x20:\
-    \x2013\n\x20\x20\x20\x20\x20}\n\x20\x20\x20\x20\x20z:\x208\n\n\x20The\
-    \x20result\x20will\x20not\x20contain\x20specific\x20values\x20for\x20fie\
-    lds\x20x,y\x20and\x20z\n\x20(their\x20value\x20will\x20be\x20set\x20to\
-    \x20the\x20default,\x20and\x20omitted\x20in\x20proto\x20text\n\x20output\
-    ):\n\n\n\x20\x20\x20\x20\x20f\x20{\n\x20\x20\x20\x20\x20\x20\x20a\x20:\
-    \x2022\n\x20\x20\x20\x20\x20\x20\x20b\x20{\n\x20\x20\x20\x20\x20\x20\x20\
-    \x20\x20d\x20:\x201\n\x20\x20\x20\x20\x20\x20\x20}\n\x20\x20\x20\x20\x20\
-    }\n\n\x20A\x20repeated\x20field\x20is\x20not\x20allowed\x20except\x20at\
-    \x20the\x20last\x20position\x20of\x20a\n\x20paths\x20string.\n\n\x20If\
-    \x20a\x20FieldMask\x20object\x20is\x20not\x20present\x20in\x20a\x20get\
-    \x20operation,\x20the\n\x20operation\x20applies\x20to\x20all\x20fields\
-    \x20(as\x20if\x20a\x20FieldMask\x20of\x20all\x20fields\n\x20had\x20been\
-    \x20specified).\n\n\x20Note\x20that\x20a\x20field\x20mask\x20does\x20not\
-    \x20necessarily\x20apply\x20to\x20the\n\x20top-level\x20response\x20mess\
-    age.\x20In\x20case\x20of\x20a\x20REST\x20get\x20operation,\x20the\n\x20f\
-    ield\x20mask\x20applies\x20directly\x20to\x20the\x20response,\x20but\x20\
-    in\x20case\x20of\x20a\x20REST\n\x20list\x20operation,\x20the\x20mask\x20\
-    instead\x20applies\x20to\x20each\x20individual\x20message\n\x20in\x20the\
-    \x20returned\x20resource\x20list.\x20In\x20case\x20of\x20a\x20REST\x20cu\
-    stom\x20method,\n\x20other\x20definitions\x20may\x20be\x20used.\x20Where\
-    \x20the\x20mask\x20applies\x20will\x20be\n\x20clearly\x20documented\x20t\
-    ogether\x20with\x20its\x20declaration\x20in\x20the\x20API.\x20\x20In\n\
-    \x20any\x20case,\x20the\x20effect\x20on\x20the\x20returned\x20resource/r\
-    esources\x20is\x20required\n\x20behavior\x20for\x20APIs.\n\n\x20#\x20Fie\
-    ld\x20Masks\x20in\x20Update\x20Operations\n\n\x20A\x20field\x20mask\x20i\
-    n\x20update\x20operations\x20specifies\x20which\x20fields\x20of\x20the\n\
-    \x20targeted\x20resource\x20are\x20going\x20to\x20be\x20updated.\x20The\
-    \x20API\x20is\x20required\n\x20to\x20only\x20change\x20the\x20values\x20\
-    of\x20the\x20fields\x20as\x20specified\x20in\x20the\x20mask\n\x20and\x20\
-    leave\x20the\x20others\x20untouched.\x20If\x20a\x20resource\x20is\x20pas\
-    sed\x20in\x20to\n\x20describe\x20the\x20updated\x20values,\x20the\x20API\
-    \x20ignores\x20the\x20values\x20of\x20all\n\x20fields\x20not\x20covered\
-    \x20by\x20the\x20mask.\n\n\x20If\x20a\x20repeated\x20field\x20is\x20spec\
-    ified\x20for\x20an\x20update\x20operation,\x20the\x20existing\n\x20repea\
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-    \x20field\x20is\x20only\x20allowed\x20in\x20the\x20last\x20position\x20o\
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-    Given\x20the\x20target\x20message:\n\n\x20\x20\x20\x20\x20f\x20{\n\x20\
+    \x12\x03&\0!\n\x08\n\x01\x08\x12\x03'\0I\n\t\n\x02\x08\x0b\x12\x03'\0I\n\
+    \x08\n\x01\x08\x12\x03(\0\x1f\n\t\n\x02\x08\x1f\x12\x03(\0\x1f\n\xb2,\n\
+    \x02\x04\0\x12\x06\xf1\x01\0\xf4\x01\x01\x1a\xa3,\x20`FieldMask`\x20repr\
+    esents\x20a\x20set\x20of\x20symbolic\x20field\x20paths,\x20for\x20exampl\
+    e:\n\n\x20\x20\x20\x20\x20paths:\x20\"f.a\"\n\x20\x20\x20\x20\x20paths:\
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+    me\x20root\x20message,\x20`a`\x20and\x20`b`\n\x20fields\x20in\x20the\x20\
+    message\x20found\x20in\x20`f`,\x20and\x20`d`\x20a\x20field\x20found\x20i\
+    n\x20the\n\x20message\x20in\x20`f.b`.\n\n\x20Field\x20masks\x20are\x20us\
+    ed\x20to\x20specify\x20a\x20subset\x20of\x20fields\x20that\x20should\x20\
+    be\n\x20returned\x20by\x20a\x20get\x20operation\x20or\x20modified\x20by\
+    \x20an\x20update\x20operation.\n\x20Field\x20masks\x20also\x20have\x20a\
+    \x20custom\x20JSON\x20encoding\x20(see\x20below).\n\n\x20#\x20Field\x20M\
+    asks\x20in\x20Projections\n\n\x20When\x20used\x20in\x20the\x20context\
+    \x20of\x20a\x20projection,\x20a\x20response\x20message\x20or\n\x20sub-me\
+    ssage\x20is\x20filtered\x20by\x20the\x20API\x20to\x20only\x20contain\x20\
+    those\x20fields\x20as\n\x20specified\x20in\x20the\x20mask.\x20For\x20exa\
+    mple,\x20if\x20the\x20mask\x20in\x20the\x20previous\n\x20example\x20is\
+    \x20applied\x20to\x20a\x20response\x20message\x20as\x20follows:\n\n\x20\
+    \x20\x20\x20\x20f\x20{\n\x20\x20\x20\x20\x20\x20\x20a\x20:\x2022\n\x20\
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-    \x20\x20\x20}\n\n\x20And\x20an\x20update\x20message:\n\n\x20\x20\x20\x20\
+    \x20\x20\x20\x20\x20}\n\x20\x20\x20\x20\x20\x20\x20y\x20:\x2013\n\x20\
+    \x20\x20\x20\x20}\n\x20\x20\x20\x20\x20z:\x208\n\n\x20The\x20result\x20w\
+    ill\x20not\x20contain\x20specific\x20values\x20for\x20fields\x20x,y\x20a\
+    nd\x20z\n\x20(their\x20value\x20will\x20be\x20set\x20to\x20the\x20defaul\
+    t,\x20and\x20omitted\x20in\x20proto\x20text\n\x20output):\n\n\n\x20\x20\
+    \x20\x20\x20f\x20{\n\x20\x20\x20\x20\x20\x20\x20a\x20:\x2022\n\x20\x20\
+    \x20\x20\x20\x20\x20b\x20{\n\x20\x20\x20\x20\x20\x20\x20\x20\x20d\x20:\
+    \x201\n\x20\x20\x20\x20\x20\x20\x20}\n\x20\x20\x20\x20\x20}\n\n\x20A\x20\
+    repeated\x20field\x20is\x20not\x20allowed\x20except\x20at\x20the\x20last\
+    \x20position\x20of\x20a\n\x20paths\x20string.\n\n\x20If\x20a\x20FieldMas\
+    k\x20object\x20is\x20not\x20present\x20in\x20a\x20get\x20operation,\x20t\
+    he\n\x20operation\x20applies\x20to\x20all\x20fields\x20(as\x20if\x20a\
+    \x20FieldMask\x20of\x20all\x20fields\n\x20had\x20been\x20specified).\n\n\
+    \x20Note\x20that\x20a\x20field\x20mask\x20does\x20not\x20necessarily\x20\
+    apply\x20to\x20the\n\x20top-level\x20response\x20message.\x20In\x20case\
+    \x20of\x20a\x20REST\x20get\x20operation,\x20the\n\x20field\x20mask\x20ap\
+    plies\x20directly\x20to\x20the\x20response,\x20but\x20in\x20case\x20of\
+    \x20a\x20REST\n\x20list\x20operation,\x20the\x20mask\x20instead\x20appli\
+    es\x20to\x20each\x20individual\x20message\n\x20in\x20the\x20returned\x20\
+    resource\x20list.\x20In\x20case\x20of\x20a\x20REST\x20custom\x20method,\
+    \n\x20other\x20definitions\x20may\x20be\x20used.\x20Where\x20the\x20mask\
+    \x20applies\x20will\x20be\n\x20clearly\x20documented\x20together\x20with\
+    \x20its\x20declaration\x20in\x20the\x20API.\x20\x20In\n\x20any\x20case,\
+    \x20the\x20effect\x20on\x20the\x20returned\x20resource/resources\x20is\
+    \x20required\n\x20behavior\x20for\x20APIs.\n\n\x20#\x20Field\x20Masks\
+    \x20in\x20Update\x20Operations\n\n\x20A\x20field\x20mask\x20in\x20update\
+    \x20operations\x20specifies\x20which\x20fields\x20of\x20the\n\x20targete\
+    d\x20resource\x20are\x20going\x20to\x20be\x20updated.\x20The\x20API\x20i\
+    s\x20required\n\x20to\x20only\x20change\x20the\x20values\x20of\x20the\
+    \x20fields\x20as\x20specified\x20in\x20the\x20mask\n\x20and\x20leave\x20\
+    the\x20others\x20untouched.\x20If\x20a\x20resource\x20is\x20passed\x20in\
+    \x20to\n\x20describe\x20the\x20updated\x20values,\x20the\x20API\x20ignor\
+    es\x20the\x20values\x20of\x20all\n\x20fields\x20not\x20covered\x20by\x20\
+    the\x20mask.\n\n\x20If\x20a\x20repeated\x20field\x20is\x20specified\x20f\
+    or\x20an\x20update\x20operation,\x20new\x20values\x20will\n\x20be\x20app\
+    ended\x20to\x20the\x20existing\x20repeated\x20field\x20in\x20the\x20targ\
+    et\x20resource.\x20Note\x20that\n\x20a\x20repeated\x20field\x20is\x20onl\
+    y\x20allowed\x20in\x20the\x20last\x20position\x20of\x20a\x20`paths`\x20s\
+    tring.\n\n\x20If\x20a\x20sub-message\x20is\x20specified\x20in\x20the\x20\
+    last\x20position\x20of\x20the\x20field\x20mask\x20for\x20an\n\x20update\
+    \x20operation,\x20then\x20new\x20value\x20will\x20be\x20merged\x20into\
+    \x20the\x20existing\x20sub-message\n\x20in\x20the\x20target\x20resource.\
+    \n\n\x20For\x20example,\x20given\x20the\x20target\x20message:\n\n\x20\
+    \x20\x20\x20\x20f\x20{\n\x20\x20\x20\x20\x20\x20\x20b\x20{\n\x20\x20\x20\
+    \x20\x20\x20\x20\x20\x20d:\x201\n\x20\x20\x20\x20\x20\x20\x20\x20\x20x:\
+    \x202\n\x20\x20\x20\x20\x20\x20\x20}\n\x20\x20\x20\x20\x20\x20\x20c:\x20\
+    [1]\n\x20\x20\x20\x20\x20}\n\n\x20And\x20an\x20update\x20message:\n\n\
+    \x20\x20\x20\x20\x20f\x20{\n\x20\x20\x20\x20\x20\x20\x20b\x20{\n\x20\x20\
+    \x20\x20\x20\x20\x20\x20\x20d:\x2010\n\x20\x20\x20\x20\x20\x20\x20}\n\
+    \x20\x20\x20\x20\x20\x20\x20c:\x20[2]\n\x20\x20\x20\x20\x20}\n\n\x20then\
+    \x20if\x20the\x20field\x20mask\x20is:\n\n\x20\x20paths:\x20[\"f.b\",\x20\
+    \"f.c\"]\n\n\x20then\x20the\x20result\x20will\x20be:\n\n\x20\x20\x20\x20\
     \x20f\x20{\n\x20\x20\x20\x20\x20\x20\x20b\x20{\n\x20\x20\x20\x20\x20\x20\
-    \x20\x20\x20d\x20:\x2010\n\x20\x20\x20\x20\x20\x20\x20}\n\x20\x20\x20\
-    \x20\x20}\n\n\x20then\x20if\x20the\x20field\x20mask\x20is:\n\n\x20\x20pa\
-    ths:\x20\"f.b\"\n\n\x20then\x20the\x20result\x20will\x20be:\n\n\x20\x20\
-    \x20\x20\x20f\x20{\n\x20\x20\x20\x20\x20\x20\x20b\x20{\n\x20\x20\x20\x20\
-    \x20\x20\x20\x20\x20d\x20:\x2010\n\x20\x20\x20\x20\x20\x20\x20}\n\x20\
-    \x20\x20\x20\x20\x20\x20c\x20:\x201\n\x20\x20\x20\x20\x20}\n\n\x20Howeve\
-    r,\x20if\x20the\x20update\x20mask\x20was:\n\n\x20\x20paths:\x20\"f.b.d\"\
-    \n\n\x20then\x20the\x20result\x20would\x20be:\n\n\x20\x20\x20\x20\x20f\
-    \x20{\n\x20\x20\x20\x20\x20\x20\x20b\x20{\n\x20\x20\x20\x20\x20\x20\x20\
-    \x20\x20d\x20:\x2010\n\x20\x20\x20\x20\x20\x20\x20\x20\x20x\x20:\x202\n\
-    \x20\x20\x20\x20\x20\x20\x20}\n\x20\x20\x20\x20\x20\x20\x20c\x20:\x201\n\
-    \x20\x20\x20\x20\x20}\n\n\x20In\x20order\x20to\x20reset\x20a\x20field's\
-    \x20value\x20to\x20the\x20default,\x20the\x20field\x20must\n\x20be\x20in\
-    \x20the\x20mask\x20and\x20set\x20to\x20the\x20default\x20value\x20in\x20\
-    the\x20provided\x20resource.\n\x20Hence,\x20in\x20order\x20to\x20reset\
-    \x20all\x20fields\x20of\x20a\x20resource,\x20provide\x20a\x20default\n\
-    \x20instance\x20of\x20the\x20resource\x20and\x20set\x20all\x20fields\x20\
-    in\x20the\x20mask,\x20or\x20do\n\x20not\x20provide\x20a\x20mask\x20as\
-    \x20described\x20below.\n\n\x20If\x20a\x20field\x20mask\x20is\x20not\x20\
-    present\x20on\x20update,\x20the\x20operation\x20applies\x20to\n\x20all\
-    \x20fields\x20(as\x20if\x20a\x20field\x20mask\x20of\x20all\x20fields\x20\
-    has\x20been\x20specified).\n\x20Note\x20that\x20in\x20the\x20presence\
-    \x20of\x20schema\x20evolution,\x20this\x20may\x20mean\x20that\n\x20field\
-    s\x20the\x20client\x20does\x20not\x20know\x20and\x20has\x20therefore\x20\
-    not\x20filled\x20into\n\x20the\x20request\x20will\x20be\x20reset\x20to\
-    \x20their\x20default.\x20If\x20this\x20is\x20unwanted\n\x20behavior,\x20\
-    a\x20specific\x20service\x20may\x20require\x20a\x20client\x20to\x20alway\
-    s\x20specify\n\x20a\x20field\x20mask,\x20producing\x20an\x20error\x20if\
-    \x20not.\n\n\x20As\x20with\x20get\x20operations,\x20the\x20location\x20o\
-    f\x20the\x20resource\x20which\n\x20describes\x20the\x20updated\x20values\
-    \x20in\x20the\x20request\x20message\x20depends\x20on\x20the\n\x20operati\
-    on\x20kind.\x20In\x20any\x20case,\x20the\x20effect\x20of\x20the\x20field\
-    \x20mask\x20is\n\x20required\x20to\x20be\x20honored\x20by\x20the\x20API.\
-    \n\n\x20##\x20Considerations\x20for\x20HTTP\x20REST\n\n\x20The\x20HTTP\
-    \x20kind\x20of\x20an\x20update\x20operation\x20which\x20uses\x20a\x20fie\
-    ld\x20mask\x20must\n\x20be\x20set\x20to\x20PATCH\x20instead\x20of\x20PUT\
-    \x20in\x20order\x20to\x20satisfy\x20HTTP\x20semantics\n\x20(PUT\x20must\
-    \x20only\x20be\x20used\x20for\x20full\x20updates).\n\n\x20#\x20JSON\x20E\
-    ncoding\x20of\x20Field\x20Masks\n\n\x20In\x20JSON,\x20a\x20field\x20mask\
-    \x20is\x20encoded\x20as\x20a\x20single\x20string\x20where\x20paths\x20ar\
-    e\n\x20separated\x20by\x20a\x20comma.\x20Fields\x20name\x20in\x20each\
-    \x20path\x20are\x20converted\n\x20to/from\x20lower-camel\x20naming\x20co\
-    nventions.\n\n\x20As\x20an\x20example,\x20consider\x20the\x20following\
-    \x20message\x20declarations:\n\n\x20\x20\x20\x20\x20message\x20Profile\
-    \x20{\n\x20\x20\x20\x20\x20\x20\x20User\x20user\x20=\x201;\n\x20\x20\x20\
-    \x20\x20\x20\x20Photo\x20photo\x20=\x202;\n\x20\x20\x20\x20\x20}\n\x20\
-    \x20\x20\x20\x20message\x20User\x20{\n\x20\x20\x20\x20\x20\x20\x20string\
-    \x20display_name\x20=\x201;\n\x20\x20\x20\x20\x20\x20\x20string\x20addre\
-    ss\x20=\x202;\n\x20\x20\x20\x20\x20}\n\n\x20In\x20proto\x20a\x20field\
-    \x20mask\x20for\x20`Profile`\x20may\x20look\x20as\x20such:\n\n\x20\x20\
+    \x20\x20\x20d:\x2010\n\x20\x20\x20\x20\x20\x20\x20\x20\x20x:\x202\n\x20\
+    \x20\x20\x20\x20\x20\x20}\n\x20\x20\x20\x20\x20\x20\x20c:\x20[1,\x202]\n\
+    \x20\x20\x20\x20\x20}\n\n\x20An\x20implementation\x20may\x20provide\x20o\
+    ptions\x20to\x20override\x20this\x20default\x20behavior\x20for\n\x20repe\
+    ated\x20and\x20message\x20fields.\n\n\x20In\x20order\x20to\x20reset\x20a\
+    \x20field's\x20value\x20to\x20the\x20default,\x20the\x20field\x20must\n\
+    \x20be\x20in\x20the\x20mask\x20and\x20set\x20to\x20the\x20default\x20val\
+    ue\x20in\x20the\x20provided\x20resource.\n\x20Hence,\x20in\x20order\x20t\
+    o\x20reset\x20all\x20fields\x20of\x20a\x20resource,\x20provide\x20a\x20d\
+    efault\n\x20instance\x20of\x20the\x20resource\x20and\x20set\x20all\x20fi\
+    elds\x20in\x20the\x20mask,\x20or\x20do\n\x20not\x20provide\x20a\x20mask\
+    \x20as\x20described\x20below.\n\n\x20If\x20a\x20field\x20mask\x20is\x20n\
+    ot\x20present\x20on\x20update,\x20the\x20operation\x20applies\x20to\n\
+    \x20all\x20fields\x20(as\x20if\x20a\x20field\x20mask\x20of\x20all\x20fie\
+    lds\x20has\x20been\x20specified).\n\x20Note\x20that\x20in\x20the\x20pres\
+    ence\x20of\x20schema\x20evolution,\x20this\x20may\x20mean\x20that\n\x20f\
+    ields\x20the\x20client\x20does\x20not\x20know\x20and\x20has\x20therefore\
+    \x20not\x20filled\x20into\n\x20the\x20request\x20will\x20be\x20reset\x20\
+    to\x20their\x20default.\x20If\x20this\x20is\x20unwanted\n\x20behavior,\
+    \x20a\x20specific\x20service\x20may\x20require\x20a\x20client\x20to\x20a\
+    lways\x20specify\n\x20a\x20field\x20mask,\x20producing\x20an\x20error\
+    \x20if\x20not.\n\n\x20As\x20with\x20get\x20operations,\x20the\x20locatio\
+    n\x20of\x20the\x20resource\x20which\n\x20describes\x20the\x20updated\x20\
+    values\x20in\x20the\x20request\x20message\x20depends\x20on\x20the\n\x20o\
+    peration\x20kind.\x20In\x20any\x20case,\x20the\x20effect\x20of\x20the\
+    \x20field\x20mask\x20is\n\x20required\x20to\x20be\x20honored\x20by\x20th\
+    e\x20API.\n\n\x20##\x20Considerations\x20for\x20HTTP\x20REST\n\n\x20The\
+    \x20HTTP\x20kind\x20of\x20an\x20update\x20operation\x20which\x20uses\x20\
+    a\x20field\x20mask\x20must\n\x20be\x20set\x20to\x20PATCH\x20instead\x20o\
+    f\x20PUT\x20in\x20order\x20to\x20satisfy\x20HTTP\x20semantics\n\x20(PUT\
+    \x20must\x20only\x20be\x20used\x20for\x20full\x20updates).\n\n\x20#\x20J\
+    SON\x20Encoding\x20of\x20Field\x20Masks\n\n\x20In\x20JSON,\x20a\x20field\
+    \x20mask\x20is\x20encoded\x20as\x20a\x20single\x20string\x20where\x20pat\
+    hs\x20are\n\x20separated\x20by\x20a\x20comma.\x20Fields\x20name\x20in\
+    \x20each\x20path\x20are\x20converted\n\x20to/from\x20lower-camel\x20nami\
+    ng\x20conventions.\n\n\x20As\x20an\x20example,\x20consider\x20the\x20fol\
+    lowing\x20message\x20declarations:\n\n\x20\x20\x20\x20\x20message\x20Pro\
+    file\x20{\n\x20\x20\x20\x20\x20\x20\x20User\x20user\x20=\x201;\n\x20\x20\
+    \x20\x20\x20\x20\x20Photo\x20photo\x20=\x202;\n\x20\x20\x20\x20\x20}\n\
+    \x20\x20\x20\x20\x20message\x20User\x20{\n\x20\x20\x20\x20\x20\x20\x20st\
+    ring\x20display_name\x20=\x201;\n\x20\x20\x20\x20\x20\x20\x20string\x20a\
+    ddress\x20=\x202;\n\x20\x20\x20\x20\x20}\n\n\x20In\x20proto\x20a\x20fiel\
+    d\x20mask\x20for\x20`Profile`\x20may\x20look\x20as\x20such:\n\n\x20\x20\
     \x20\x20\x20mask\x20{\n\x20\x20\x20\x20\x20\x20\x20paths:\x20\"user.disp\
     lay_name\"\n\x20\x20\x20\x20\x20\x20\x20paths:\x20\"photo\"\n\x20\x20\
     \x20\x20\x20}\n\n\x20In\x20JSON,\x20the\x20same\x20mask\x20is\x20represe\
@@ -358,12 +359,17 @@
     \x20\x20\x20\x20\x20mask\x20{\n\x20\x20\x20\x20\x20\x20\x20paths:\x20\"s\
     ub_message\"\n\x20\x20\x20\x20\x20}\n\n\x20Note\x20that\x20oneof\x20type\
     \x20names\x20(\"test_oneof\"\x20in\x20this\x20case)\x20cannot\x20be\x20u\
-    sed\x20in\n\x20paths.\n\n\x0b\n\x03\x04\0\x01\x12\x04\xf1\x01\x08\x11\n,\
-    \n\x04\x04\0\x02\0\x12\x04\xf3\x01\x02\x1c\x1a\x1e\x20The\x20set\x20of\
-    \x20field\x20mask\x20paths.\n\n\r\n\x05\x04\0\x02\0\x04\x12\x04\xf3\x01\
-    \x02\n\n\r\n\x05\x04\0\x02\0\x05\x12\x04\xf3\x01\x0b\x11\n\r\n\x05\x04\0\
-    \x02\0\x01\x12\x04\xf3\x01\x12\x17\n\r\n\x05\x04\0\x02\0\x03\x12\x04\xf3\
-    \x01\x1a\x1bb\x06proto3\
+    sed\x20in\n\x20paths.\n\n\x20##\x20Field\x20Mask\x20Verification\n\n\x20\
+    The\x20implementation\x20of\x20any\x20API\x20method\x20which\x20has\x20a\
+    \x20FieldMask\x20type\x20field\x20in\x20the\n\x20request\x20should\x20ve\
+    rify\x20the\x20included\x20field\x20paths,\x20and\x20return\x20an\n\x20`\
+    INVALID_ARGUMENT`\x20error\x20if\x20any\x20path\x20is\x20unmappable.\n\n\
+    \x0b\n\x03\x04\0\x01\x12\x04\xf1\x01\x08\x11\n,\n\x04\x04\0\x02\0\x12\
+    \x04\xf3\x01\x02\x1c\x1a\x1e\x20The\x20set\x20of\x20field\x20mask\x20pat\
+    hs.\n\n\r\n\x05\x04\0\x02\0\x04\x12\x04\xf3\x01\x02\n\n\r\n\x05\x04\0\
+    \x02\0\x05\x12\x04\xf3\x01\x0b\x11\n\r\n\x05\x04\0\x02\0\x01\x12\x04\xf3\
+    \x01\x12\x17\n\r\n\x05\x04\0\x02\0\x03\x12\x04\xf3\x01\x1a\x1bb\x06proto\
+    3\
 ";
 
 static file_descriptor_proto_lazy: crate::rt::LazyV2<crate::descriptor::FileDescriptorProto> = crate::rt::LazyV2::INIT;
diff --git a/src/well_known_types/source_context.rs b/src/well_known_types/source_context.rs
index f22391d..2086b35 100644
--- a/src/well_known_types/source_context.rs
+++ b/src/well_known_types/source_context.rs
@@ -1,4 +1,4 @@
-// This file is generated by rust-protobuf 2.19.0-pre. Do not edit
+// This file is generated by rust-protobuf 2.22.0-pre. Do not edit
 // @generated
 
 // https://github.com/rust-lang/rust-clippy/issues/702
@@ -20,7 +20,7 @@
 //! Generated file from `google/protobuf/source_context.proto`
 
 #[derive(PartialEq,Clone,Default)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub struct SourceContext {
     // message fields
     pub file_name: ::std::string::String,
@@ -183,57 +183,59 @@
 
 static file_descriptor_proto_data: &'static [u8] = b"\
     \n$google/protobuf/source_context.proto\x12\x0fgoogle.protobuf\",\n\rSou\
-    rceContext\x12\x1b\n\tfile_name\x18\x01\x20\x01(\tR\x08fileNameBR\n\x13c\
-    om.google.protobufB\x12SourceContextProtoP\x01\xa2\x02\x03GPB\xaa\x02\
-    \x1eGoogle.Protobuf.WellKnownTypesJ\xac\x10\n\x06\x12\x04\x1e\0.\x01\n\
-    \xcc\x0c\n\x01\x0c\x12\x03\x1e\0\x122\xc1\x0c\x20Protocol\x20Buffers\x20\
-    -\x20Google's\x20data\x20interchange\x20format\n\x20Copyright\x202008\
-    \x20Google\x20Inc.\x20\x20All\x20rights\x20reserved.\n\x20https://develo\
-    pers.google.com/protocol-buffers/\n\n\x20Redistribution\x20and\x20use\
-    \x20in\x20source\x20and\x20binary\x20forms,\x20with\x20or\x20without\n\
-    \x20modification,\x20are\x20permitted\x20provided\x20that\x20the\x20foll\
-    owing\x20conditions\x20are\n\x20met:\n\n\x20\x20\x20\x20\x20*\x20Redistr\
-    ibutions\x20of\x20source\x20code\x20must\x20retain\x20the\x20above\x20co\
-    pyright\n\x20notice,\x20this\x20list\x20of\x20conditions\x20and\x20the\
-    \x20following\x20disclaimer.\n\x20\x20\x20\x20\x20*\x20Redistributions\
-    \x20in\x20binary\x20form\x20must\x20reproduce\x20the\x20above\n\x20copyr\
-    ight\x20notice,\x20this\x20list\x20of\x20conditions\x20and\x20the\x20fol\
-    lowing\x20disclaimer\n\x20in\x20the\x20documentation\x20and/or\x20other\
-    \x20materials\x20provided\x20with\x20the\n\x20distribution.\n\x20\x20\
-    \x20\x20\x20*\x20Neither\x20the\x20name\x20of\x20Google\x20Inc.\x20nor\
-    \x20the\x20names\x20of\x20its\n\x20contributors\x20may\x20be\x20used\x20\
-    to\x20endorse\x20or\x20promote\x20products\x20derived\x20from\n\x20this\
-    \x20software\x20without\x20specific\x20prior\x20written\x20permission.\n\
-    \n\x20THIS\x20SOFTWARE\x20IS\x20PROVIDED\x20BY\x20THE\x20COPYRIGHT\x20HO\
-    LDERS\x20AND\x20CONTRIBUTORS\n\x20\"AS\x20IS\"\x20AND\x20ANY\x20EXPRESS\
-    \x20OR\x20IMPLIED\x20WARRANTIES,\x20INCLUDING,\x20BUT\x20NOT\n\x20LIMITE\
-    D\x20TO,\x20THE\x20IMPLIED\x20WARRANTIES\x20OF\x20MERCHANTABILITY\x20AND\
-    \x20FITNESS\x20FOR\n\x20A\x20PARTICULAR\x20PURPOSE\x20ARE\x20DISCLAIMED.\
-    \x20IN\x20NO\x20EVENT\x20SHALL\x20THE\x20COPYRIGHT\n\x20OWNER\x20OR\x20C\
-    ONTRIBUTORS\x20BE\x20LIABLE\x20FOR\x20ANY\x20DIRECT,\x20INDIRECT,\x20INC\
-    IDENTAL,\n\x20SPECIAL,\x20EXEMPLARY,\x20OR\x20CONSEQUENTIAL\x20DAMAGES\
-    \x20(INCLUDING,\x20BUT\x20NOT\n\x20LIMITED\x20TO,\x20PROCUREMENT\x20OF\
-    \x20SUBSTITUTE\x20GOODS\x20OR\x20SERVICES;\x20LOSS\x20OF\x20USE,\n\x20DA\
-    TA,\x20OR\x20PROFITS;\x20OR\x20BUSINESS\x20INTERRUPTION)\x20HOWEVER\x20C\
-    AUSED\x20AND\x20ON\x20ANY\n\x20THEORY\x20OF\x20LIABILITY,\x20WHETHER\x20\
-    IN\x20CONTRACT,\x20STRICT\x20LIABILITY,\x20OR\x20TORT\n\x20(INCLUDING\
-    \x20NEGLIGENCE\x20OR\x20OTHERWISE)\x20ARISING\x20IN\x20ANY\x20WAY\x20OUT\
-    \x20OF\x20THE\x20USE\n\x20OF\x20THIS\x20SOFTWARE,\x20EVEN\x20IF\x20ADVIS\
-    ED\x20OF\x20THE\x20POSSIBILITY\x20OF\x20SUCH\x20DAMAGE.\n\n\x08\n\x01\
-    \x02\x12\x03\x20\0\x18\n\x08\n\x01\x08\x12\x03\"\0;\n\t\n\x02\x08%\x12\
-    \x03\"\0;\n\x08\n\x01\x08\x12\x03#\0,\n\t\n\x02\x08\x01\x12\x03#\0,\n\
-    \x08\n\x01\x08\x12\x03$\03\n\t\n\x02\x08\x08\x12\x03$\03\n\x08\n\x01\x08\
-    \x12\x03%\0\"\n\t\n\x02\x08\n\x12\x03%\0\"\n\x08\n\x01\x08\x12\x03&\0!\n\
-    \t\n\x02\x08$\x12\x03&\0!\n\x83\x01\n\x02\x04\0\x12\x04*\0.\x01\x1aw\x20\
-    `SourceContext`\x20represents\x20information\x20about\x20the\x20source\
-    \x20of\x20a\n\x20protobuf\x20element,\x20like\x20the\x20file\x20in\x20wh\
-    ich\x20it\x20is\x20defined.\n\n\n\n\x03\x04\0\x01\x12\x03*\x08\x15\n\xa3\
-    \x01\n\x04\x04\0\x02\0\x12\x03-\x02\x17\x1a\x95\x01\x20The\x20path-quali\
-    fied\x20name\x20of\x20the\x20.proto\x20file\x20that\x20contained\x20the\
-    \x20associated\n\x20protobuf\x20element.\x20\x20For\x20example:\x20`\"go\
-    ogle/protobuf/source_context.proto\"`.\n\n\x0c\n\x05\x04\0\x02\0\x05\x12\
-    \x03-\x02\x08\n\x0c\n\x05\x04\0\x02\0\x01\x12\x03-\t\x12\n\x0c\n\x05\x04\
-    \0\x02\0\x03\x12\x03-\x15\x16b\x06proto3\
+    rceContext\x12\x1b\n\tfile_name\x18\x01\x20\x01(\tR\x08fileNameB\x8a\x01\
+    \n\x13com.google.protobufB\x12SourceContextProtoP\x01Z6google.golang.org\
+    /protobuf/types/known/sourcecontextpb\xa2\x02\x03GPB\xaa\x02\x1eGoogle.P\
+    rotobuf.WellKnownTypesJ\xc1\x10\n\x06\x12\x04\x1e\0/\x01\n\xcc\x0c\n\x01\
+    \x0c\x12\x03\x1e\0\x122\xc1\x0c\x20Protocol\x20Buffers\x20-\x20Google's\
+    \x20data\x20interchange\x20format\n\x20Copyright\x202008\x20Google\x20In\
+    c.\x20\x20All\x20rights\x20reserved.\n\x20https://developers.google.com/\
+    protocol-buffers/\n\n\x20Redistribution\x20and\x20use\x20in\x20source\
+    \x20and\x20binary\x20forms,\x20with\x20or\x20without\n\x20modification,\
+    \x20are\x20permitted\x20provided\x20that\x20the\x20following\x20conditio\
+    ns\x20are\n\x20met:\n\n\x20\x20\x20\x20\x20*\x20Redistributions\x20of\
+    \x20source\x20code\x20must\x20retain\x20the\x20above\x20copyright\n\x20n\
+    otice,\x20this\x20list\x20of\x20conditions\x20and\x20the\x20following\
+    \x20disclaimer.\n\x20\x20\x20\x20\x20*\x20Redistributions\x20in\x20binar\
+    y\x20form\x20must\x20reproduce\x20the\x20above\n\x20copyright\x20notice,\
+    \x20this\x20list\x20of\x20conditions\x20and\x20the\x20following\x20discl\
+    aimer\n\x20in\x20the\x20documentation\x20and/or\x20other\x20materials\
+    \x20provided\x20with\x20the\n\x20distribution.\n\x20\x20\x20\x20\x20*\
+    \x20Neither\x20the\x20name\x20of\x20Google\x20Inc.\x20nor\x20the\x20name\
+    s\x20of\x20its\n\x20contributors\x20may\x20be\x20used\x20to\x20endorse\
+    \x20or\x20promote\x20products\x20derived\x20from\n\x20this\x20software\
+    \x20without\x20specific\x20prior\x20written\x20permission.\n\n\x20THIS\
+    \x20SOFTWARE\x20IS\x20PROVIDED\x20BY\x20THE\x20COPYRIGHT\x20HOLDERS\x20A\
+    ND\x20CONTRIBUTORS\n\x20\"AS\x20IS\"\x20AND\x20ANY\x20EXPRESS\x20OR\x20I\
+    MPLIED\x20WARRANTIES,\x20INCLUDING,\x20BUT\x20NOT\n\x20LIMITED\x20TO,\
+    \x20THE\x20IMPLIED\x20WARRANTIES\x20OF\x20MERCHANTABILITY\x20AND\x20FITN\
+    ESS\x20FOR\n\x20A\x20PARTICULAR\x20PURPOSE\x20ARE\x20DISCLAIMED.\x20IN\
+    \x20NO\x20EVENT\x20SHALL\x20THE\x20COPYRIGHT\n\x20OWNER\x20OR\x20CONTRIB\
+    UTORS\x20BE\x20LIABLE\x20FOR\x20ANY\x20DIRECT,\x20INDIRECT,\x20INCIDENTA\
+    L,\n\x20SPECIAL,\x20EXEMPLARY,\x20OR\x20CONSEQUENTIAL\x20DAMAGES\x20(INC\
+    LUDING,\x20BUT\x20NOT\n\x20LIMITED\x20TO,\x20PROCUREMENT\x20OF\x20SUBSTI\
+    TUTE\x20GOODS\x20OR\x20SERVICES;\x20LOSS\x20OF\x20USE,\n\x20DATA,\x20OR\
+    \x20PROFITS;\x20OR\x20BUSINESS\x20INTERRUPTION)\x20HOWEVER\x20CAUSED\x20\
+    AND\x20ON\x20ANY\n\x20THEORY\x20OF\x20LIABILITY,\x20WHETHER\x20IN\x20CON\
+    TRACT,\x20STRICT\x20LIABILITY,\x20OR\x20TORT\n\x20(INCLUDING\x20NEGLIGEN\
+    CE\x20OR\x20OTHERWISE)\x20ARISING\x20IN\x20ANY\x20WAY\x20OUT\x20OF\x20TH\
+    E\x20USE\n\x20OF\x20THIS\x20SOFTWARE,\x20EVEN\x20IF\x20ADVISED\x20OF\x20\
+    THE\x20POSSIBILITY\x20OF\x20SUCH\x20DAMAGE.\n\n\x08\n\x01\x02\x12\x03\
+    \x20\0\x18\n\x08\n\x01\x08\x12\x03\"\0;\n\t\n\x02\x08%\x12\x03\"\0;\n\
+    \x08\n\x01\x08\x12\x03#\0,\n\t\n\x02\x08\x01\x12\x03#\0,\n\x08\n\x01\x08\
+    \x12\x03$\03\n\t\n\x02\x08\x08\x12\x03$\03\n\x08\n\x01\x08\x12\x03%\0\"\
+    \n\t\n\x02\x08\n\x12\x03%\0\"\n\x08\n\x01\x08\x12\x03&\0!\n\t\n\x02\x08$\
+    \x12\x03&\0!\n\x08\n\x01\x08\x12\x03'\0M\n\t\n\x02\x08\x0b\x12\x03'\0M\n\
+    \x83\x01\n\x02\x04\0\x12\x04+\0/\x01\x1aw\x20`SourceContext`\x20represen\
+    ts\x20information\x20about\x20the\x20source\x20of\x20a\n\x20protobuf\x20\
+    element,\x20like\x20the\x20file\x20in\x20which\x20it\x20is\x20defined.\n\
+    \n\n\n\x03\x04\0\x01\x12\x03+\x08\x15\n\xa3\x01\n\x04\x04\0\x02\0\x12\
+    \x03.\x02\x17\x1a\x95\x01\x20The\x20path-qualified\x20name\x20of\x20the\
+    \x20.proto\x20file\x20that\x20contained\x20the\x20associated\n\x20protob\
+    uf\x20element.\x20\x20For\x20example:\x20`\"google/protobuf/source_conte\
+    xt.proto\"`.\n\n\x0c\n\x05\x04\0\x02\0\x05\x12\x03.\x02\x08\n\x0c\n\x05\
+    \x04\0\x02\0\x01\x12\x03.\t\x12\n\x0c\n\x05\x04\0\x02\0\x03\x12\x03.\x15\
+    \x16b\x06proto3\
 ";
 
 static file_descriptor_proto_lazy: crate::rt::LazyV2<crate::descriptor::FileDescriptorProto> = crate::rt::LazyV2::INIT;
diff --git a/src/well_known_types/struct_pb.rs b/src/well_known_types/struct_pb.rs
index 70db8f3..613fef3 100644
--- a/src/well_known_types/struct_pb.rs
+++ b/src/well_known_types/struct_pb.rs
@@ -1,4 +1,4 @@
-// This file is generated by rust-protobuf 2.19.0-pre. Do not edit
+// This file is generated by rust-protobuf 2.22.0-pre. Do not edit
 // @generated
 
 // https://github.com/rust-lang/rust-clippy/issues/702
@@ -20,7 +20,7 @@
 //! Generated file from `google/protobuf/struct.proto`
 
 #[derive(PartialEq,Clone,Default)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub struct Struct {
     // message fields
     pub fields: ::std::collections::HashMap<::std::string::String, Value>,
@@ -177,7 +177,7 @@
 }
 
 #[derive(PartialEq,Clone,Default)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub struct Value {
     // message oneof groups
     pub kind: ::std::option::Option<Value_oneof_kind>,
@@ -195,7 +195,7 @@
 }
 
 #[derive(Clone,PartialEq,Debug)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub enum Value_oneof_kind {
     null_value(NullValue),
     number_value(f64),
@@ -663,7 +663,7 @@
 }
 
 #[derive(PartialEq,Clone,Default)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub struct ListValue {
     // message fields
     pub values: crate::RepeatedField<Value>,
@@ -832,7 +832,7 @@
 }
 
 #[derive(Clone,PartialEq,Eq,Debug,Hash)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub enum NullValue {
     NULL_VALUE = 0,
 }
@@ -893,13 +893,13 @@
     lue\x18\x06\x20\x01(\x0b2\x1a.google.protobuf.ListValueH\0R\tlistValueB\
     \x06\n\x04kind\";\n\tListValue\x12.\n\x06values\x18\x01\x20\x03(\x0b2\
     \x16.google.protobuf.ValueR\x06values*\x1b\n\tNullValue\x12\x0e\n\nNULL_\
-    VALUE\x10\0B\x81\x01\n\x13com.google.protobufB\x0bStructProtoP\x01Z1gith\
-    ub.com/golang/protobuf/ptypes/struct;structpb\xf8\x01\x01\xa2\x02\x03GPB\
-    \xaa\x02\x1eGoogle.Protobuf.WellKnownTypesJ\x99\x1d\n\x06\x12\x04\x1e\0_\
-    \x01\n\xcc\x0c\n\x01\x0c\x12\x03\x1e\0\x122\xc1\x0c\x20Protocol\x20Buffe\
-    rs\x20-\x20Google's\x20data\x20interchange\x20format\n\x20Copyright\x202\
-    008\x20Google\x20Inc.\x20\x20All\x20rights\x20reserved.\n\x20https://dev\
-    elopers.google.com/protocol-buffers/\n\n\x20Redistribution\x20and\x20use\
+    VALUE\x10\0B\x7f\n\x13com.google.protobufB\x0bStructProtoP\x01Z/google.g\
+    olang.org/protobuf/types/known/structpb\xf8\x01\x01\xa2\x02\x03GPB\xaa\
+    \x02\x1eGoogle.Protobuf.WellKnownTypesJ\x99\x1d\n\x06\x12\x04\x1e\0^\x01\
+    \n\xcc\x0c\n\x01\x0c\x12\x03\x1e\0\x122\xc1\x0c\x20Protocol\x20Buffers\
+    \x20-\x20Google's\x20data\x20interchange\x20format\n\x20Copyright\x20200\
+    8\x20Google\x20Inc.\x20\x20All\x20rights\x20reserved.\n\x20https://devel\
+    opers.google.com/protocol-buffers/\n\n\x20Redistribution\x20and\x20use\
     \x20in\x20source\x20and\x20binary\x20forms,\x20with\x20or\x20without\n\
     \x20modification,\x20are\x20permitted\x20provided\x20that\x20the\x20foll\
     owing\x20conditions\x20are\n\x20met:\n\n\x20\x20\x20\x20\x20*\x20Redistr\
@@ -932,11 +932,11 @@
     ED\x20OF\x20THE\x20POSSIBILITY\x20OF\x20SUCH\x20DAMAGE.\n\n\x08\n\x01\
     \x02\x12\x03\x20\0\x18\n\x08\n\x01\x08\x12\x03\"\0;\n\t\n\x02\x08%\x12\
     \x03\"\0;\n\x08\n\x01\x08\x12\x03#\0\x1f\n\t\n\x02\x08\x1f\x12\x03#\0\
-    \x1f\n\x08\n\x01\x08\x12\x03$\0H\n\t\n\x02\x08\x0b\x12\x03$\0H\n\x08\n\
+    \x1f\n\x08\n\x01\x08\x12\x03$\0F\n\t\n\x02\x08\x0b\x12\x03$\0F\n\x08\n\
     \x01\x08\x12\x03%\0,\n\t\n\x02\x08\x01\x12\x03%\0,\n\x08\n\x01\x08\x12\
     \x03&\0,\n\t\n\x02\x08\x08\x12\x03&\0,\n\x08\n\x01\x08\x12\x03'\0\"\n\t\
     \n\x02\x08\n\x12\x03'\0\"\n\x08\n\x01\x08\x12\x03(\0!\n\t\n\x02\x08$\x12\
-    \x03(\0!\n\xb3\x03\n\x02\x04\0\x12\x043\06\x01\x1a\xa6\x03\x20`Struct`\
+    \x03(\0!\n\xb3\x03\n\x02\x04\0\x12\x042\05\x01\x1a\xa6\x03\x20`Struct`\
     \x20represents\x20a\x20structured\x20data\x20value,\x20consisting\x20of\
     \x20fields\n\x20which\x20map\x20to\x20dynamically\x20typed\x20values.\
     \x20In\x20some\x20languages,\x20`Struct`\n\x20might\x20be\x20supported\
@@ -945,11 +945,11 @@
     \x20as\x20an\n\x20object.\x20The\x20details\x20of\x20that\x20representat\
     ion\x20are\x20described\x20together\n\x20with\x20the\x20proto\x20support\
     \x20for\x20the\x20language.\n\n\x20The\x20JSON\x20representation\x20for\
-    \x20`Struct`\x20is\x20JSON\x20object.\n\n\n\n\x03\x04\0\x01\x12\x033\x08\
-    \x0e\n9\n\x04\x04\0\x02\0\x12\x035\x02\x20\x1a,\x20Unordered\x20map\x20o\
+    \x20`Struct`\x20is\x20JSON\x20object.\n\n\n\n\x03\x04\0\x01\x12\x032\x08\
+    \x0e\n9\n\x04\x04\0\x02\0\x12\x034\x02\x20\x1a,\x20Unordered\x20map\x20o\
     f\x20dynamically\x20typed\x20values.\n\n\x0c\n\x05\x04\0\x02\0\x06\x12\
-    \x035\x02\x14\n\x0c\n\x05\x04\0\x02\0\x01\x12\x035\x15\x1b\n\x0c\n\x05\
-    \x04\0\x02\0\x03\x12\x035\x1e\x1f\n\xc3\x02\n\x02\x04\x01\x12\x04>\0N\
+    \x034\x02\x14\n\x0c\n\x05\x04\0\x02\0\x01\x12\x034\x15\x1b\n\x0c\n\x05\
+    \x04\0\x02\0\x03\x12\x034\x1e\x1f\n\xc3\x02\n\x02\x04\x01\x12\x04=\0M\
     \x01\x1a\xb6\x02\x20`Value`\x20represents\x20a\x20dynamically\x20typed\
     \x20value\x20which\x20can\x20be\x20either\n\x20null,\x20a\x20number,\x20\
     a\x20string,\x20a\x20boolean,\x20a\x20recursive\x20struct\x20value,\x20o\
@@ -957,43 +957,43 @@
     \x20expected\x20to\x20set\x20one\x20of\x20that\n\x20variants,\x20absence\
     \x20of\x20any\x20variant\x20indicates\x20an\x20error.\n\n\x20The\x20JSON\
     \x20representation\x20for\x20`Value`\x20is\x20JSON\x20value.\n\n\n\n\x03\
-    \x04\x01\x01\x12\x03>\x08\r\n\"\n\x04\x04\x01\x08\0\x12\x04@\x02M\x03\
+    \x04\x01\x01\x12\x03=\x08\r\n\"\n\x04\x04\x01\x08\0\x12\x04?\x02L\x03\
     \x1a\x14\x20The\x20kind\x20of\x20value.\n\n\x0c\n\x05\x04\x01\x08\0\x01\
-    \x12\x03@\x08\x0c\n'\n\x04\x04\x01\x02\0\x12\x03B\x04\x1d\x1a\x1a\x20Rep\
-    resents\x20a\x20null\x20value.\n\n\x0c\n\x05\x04\x01\x02\0\x06\x12\x03B\
-    \x04\r\n\x0c\n\x05\x04\x01\x02\0\x01\x12\x03B\x0e\x18\n\x0c\n\x05\x04\
-    \x01\x02\0\x03\x12\x03B\x1b\x1c\n)\n\x04\x04\x01\x02\x01\x12\x03D\x04\
+    \x12\x03?\x08\x0c\n'\n\x04\x04\x01\x02\0\x12\x03A\x04\x1d\x1a\x1a\x20Rep\
+    resents\x20a\x20null\x20value.\n\n\x0c\n\x05\x04\x01\x02\0\x06\x12\x03A\
+    \x04\r\n\x0c\n\x05\x04\x01\x02\0\x01\x12\x03A\x0e\x18\n\x0c\n\x05\x04\
+    \x01\x02\0\x03\x12\x03A\x1b\x1c\n)\n\x04\x04\x01\x02\x01\x12\x03C\x04\
     \x1c\x1a\x1c\x20Represents\x20a\x20double\x20value.\n\n\x0c\n\x05\x04\
-    \x01\x02\x01\x05\x12\x03D\x04\n\n\x0c\n\x05\x04\x01\x02\x01\x01\x12\x03D\
-    \x0b\x17\n\x0c\n\x05\x04\x01\x02\x01\x03\x12\x03D\x1a\x1b\n)\n\x04\x04\
-    \x01\x02\x02\x12\x03F\x04\x1c\x1a\x1c\x20Represents\x20a\x20string\x20va\
-    lue.\n\n\x0c\n\x05\x04\x01\x02\x02\x05\x12\x03F\x04\n\n\x0c\n\x05\x04\
-    \x01\x02\x02\x01\x12\x03F\x0b\x17\n\x0c\n\x05\x04\x01\x02\x02\x03\x12\
-    \x03F\x1a\x1b\n*\n\x04\x04\x01\x02\x03\x12\x03H\x04\x18\x1a\x1d\x20Repre\
+    \x01\x02\x01\x05\x12\x03C\x04\n\n\x0c\n\x05\x04\x01\x02\x01\x01\x12\x03C\
+    \x0b\x17\n\x0c\n\x05\x04\x01\x02\x01\x03\x12\x03C\x1a\x1b\n)\n\x04\x04\
+    \x01\x02\x02\x12\x03E\x04\x1c\x1a\x1c\x20Represents\x20a\x20string\x20va\
+    lue.\n\n\x0c\n\x05\x04\x01\x02\x02\x05\x12\x03E\x04\n\n\x0c\n\x05\x04\
+    \x01\x02\x02\x01\x12\x03E\x0b\x17\n\x0c\n\x05\x04\x01\x02\x02\x03\x12\
+    \x03E\x1a\x1b\n*\n\x04\x04\x01\x02\x03\x12\x03G\x04\x18\x1a\x1d\x20Repre\
     sents\x20a\x20boolean\x20value.\n\n\x0c\n\x05\x04\x01\x02\x03\x05\x12\
-    \x03H\x04\x08\n\x0c\n\x05\x04\x01\x02\x03\x01\x12\x03H\t\x13\n\x0c\n\x05\
-    \x04\x01\x02\x03\x03\x12\x03H\x16\x17\n-\n\x04\x04\x01\x02\x04\x12\x03J\
+    \x03G\x04\x08\n\x0c\n\x05\x04\x01\x02\x03\x01\x12\x03G\t\x13\n\x0c\n\x05\
+    \x04\x01\x02\x03\x03\x12\x03G\x16\x17\n-\n\x04\x04\x01\x02\x04\x12\x03I\
     \x04\x1c\x1a\x20\x20Represents\x20a\x20structured\x20value.\n\n\x0c\n\
-    \x05\x04\x01\x02\x04\x06\x12\x03J\x04\n\n\x0c\n\x05\x04\x01\x02\x04\x01\
-    \x12\x03J\x0b\x17\n\x0c\n\x05\x04\x01\x02\x04\x03\x12\x03J\x1a\x1b\n-\n\
-    \x04\x04\x01\x02\x05\x12\x03L\x04\x1d\x1a\x20\x20Represents\x20a\x20repe\
-    ated\x20`Value`.\n\n\x0c\n\x05\x04\x01\x02\x05\x06\x12\x03L\x04\r\n\x0c\
-    \n\x05\x04\x01\x02\x05\x01\x12\x03L\x0e\x18\n\x0c\n\x05\x04\x01\x02\x05\
-    \x03\x12\x03L\x1b\x1c\n\xa9\x01\n\x02\x05\0\x12\x04T\0W\x01\x1a\x9c\x01\
+    \x05\x04\x01\x02\x04\x06\x12\x03I\x04\n\n\x0c\n\x05\x04\x01\x02\x04\x01\
+    \x12\x03I\x0b\x17\n\x0c\n\x05\x04\x01\x02\x04\x03\x12\x03I\x1a\x1b\n-\n\
+    \x04\x04\x01\x02\x05\x12\x03K\x04\x1d\x1a\x20\x20Represents\x20a\x20repe\
+    ated\x20`Value`.\n\n\x0c\n\x05\x04\x01\x02\x05\x06\x12\x03K\x04\r\n\x0c\
+    \n\x05\x04\x01\x02\x05\x01\x12\x03K\x0e\x18\n\x0c\n\x05\x04\x01\x02\x05\
+    \x03\x12\x03K\x1b\x1c\n\xa9\x01\n\x02\x05\0\x12\x04S\0V\x01\x1a\x9c\x01\
     \x20`NullValue`\x20is\x20a\x20singleton\x20enumeration\x20to\x20represen\
     t\x20the\x20null\x20value\x20for\x20the\n\x20`Value`\x20type\x20union.\n\
     \n\x20\x20The\x20JSON\x20representation\x20for\x20`NullValue`\x20is\x20J\
-    SON\x20`null`.\n\n\n\n\x03\x05\0\x01\x12\x03T\x05\x0e\n\x1a\n\x04\x05\0\
-    \x02\0\x12\x03V\x02\x11\x1a\r\x20Null\x20value.\n\n\x0c\n\x05\x05\0\x02\
-    \0\x01\x12\x03V\x02\x0c\n\x0c\n\x05\x05\0\x02\0\x02\x12\x03V\x0f\x10\n\
-    \x82\x01\n\x02\x04\x02\x12\x04\\\0_\x01\x1av\x20`ListValue`\x20is\x20a\
+    SON\x20`null`.\n\n\n\n\x03\x05\0\x01\x12\x03S\x05\x0e\n\x1a\n\x04\x05\0\
+    \x02\0\x12\x03U\x02\x11\x1a\r\x20Null\x20value.\n\n\x0c\n\x05\x05\0\x02\
+    \0\x01\x12\x03U\x02\x0c\n\x0c\n\x05\x05\0\x02\0\x02\x12\x03U\x0f\x10\n\
+    \x82\x01\n\x02\x04\x02\x12\x04[\0^\x01\x1av\x20`ListValue`\x20is\x20a\
     \x20wrapper\x20around\x20a\x20repeated\x20field\x20of\x20values.\n\n\x20\
     The\x20JSON\x20representation\x20for\x20`ListValue`\x20is\x20JSON\x20arr\
-    ay.\n\n\n\n\x03\x04\x02\x01\x12\x03\\\x08\x11\n:\n\x04\x04\x02\x02\0\x12\
-    \x03^\x02\x1c\x1a-\x20Repeated\x20field\x20of\x20dynamically\x20typed\
-    \x20values.\n\n\x0c\n\x05\x04\x02\x02\0\x04\x12\x03^\x02\n\n\x0c\n\x05\
-    \x04\x02\x02\0\x06\x12\x03^\x0b\x10\n\x0c\n\x05\x04\x02\x02\0\x01\x12\
-    \x03^\x11\x17\n\x0c\n\x05\x04\x02\x02\0\x03\x12\x03^\x1a\x1bb\x06proto3\
+    ay.\n\n\n\n\x03\x04\x02\x01\x12\x03[\x08\x11\n:\n\x04\x04\x02\x02\0\x12\
+    \x03]\x02\x1c\x1a-\x20Repeated\x20field\x20of\x20dynamically\x20typed\
+    \x20values.\n\n\x0c\n\x05\x04\x02\x02\0\x04\x12\x03]\x02\n\n\x0c\n\x05\
+    \x04\x02\x02\0\x06\x12\x03]\x0b\x10\n\x0c\n\x05\x04\x02\x02\0\x01\x12\
+    \x03]\x11\x17\n\x0c\n\x05\x04\x02\x02\0\x03\x12\x03]\x1a\x1bb\x06proto3\
 ";
 
 static file_descriptor_proto_lazy: crate::rt::LazyV2<crate::descriptor::FileDescriptorProto> = crate::rt::LazyV2::INIT;
diff --git a/src/well_known_types/timestamp.rs b/src/well_known_types/timestamp.rs
index 9c72377..0d48c7e 100644
--- a/src/well_known_types/timestamp.rs
+++ b/src/well_known_types/timestamp.rs
@@ -1,4 +1,4 @@
-// This file is generated by rust-protobuf 2.19.0-pre. Do not edit
+// This file is generated by rust-protobuf 2.22.0-pre. Do not edit
 // @generated
 
 // https://github.com/rust-lang/rust-clippy/issues/702
@@ -20,7 +20,7 @@
 //! Generated file from `google/protobuf/timestamp.proto`
 
 #[derive(PartialEq,Clone,Default)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub struct Timestamp {
     // message fields
     pub seconds: i64,
@@ -212,105 +212,142 @@
 static file_descriptor_proto_data: &'static [u8] = b"\
     \n\x1fgoogle/protobuf/timestamp.proto\x12\x0fgoogle.protobuf\";\n\tTimes\
     tamp\x12\x18\n\x07seconds\x18\x01\x20\x01(\x03R\x07seconds\x12\x14\n\x05\
-    nanos\x18\x02\x20\x01(\x05R\x05nanosB~\n\x13com.google.protobufB\x0eTime\
-    stampProtoP\x01Z+github.com/golang/protobuf/ptypes/timestamp\xf8\x01\x01\
-    \xa2\x02\x03GPB\xaa\x02\x1eGoogle.Protobuf.WellKnownTypesJ\x95!\n\x06\
-    \x12\x04\x1e\0k\x01\n\xcc\x0c\n\x01\x0c\x12\x03\x1e\0\x122\xc1\x0c\x20Pr\
-    otocol\x20Buffers\x20-\x20Google's\x20data\x20interchange\x20format\n\
-    \x20Copyright\x202008\x20Google\x20Inc.\x20\x20All\x20rights\x20reserved\
-    .\n\x20https://developers.google.com/protocol-buffers/\n\n\x20Redistribu\
-    tion\x20and\x20use\x20in\x20source\x20and\x20binary\x20forms,\x20with\
-    \x20or\x20without\n\x20modification,\x20are\x20permitted\x20provided\x20\
-    that\x20the\x20following\x20conditions\x20are\n\x20met:\n\n\x20\x20\x20\
-    \x20\x20*\x20Redistributions\x20of\x20source\x20code\x20must\x20retain\
-    \x20the\x20above\x20copyright\n\x20notice,\x20this\x20list\x20of\x20cond\
-    itions\x20and\x20the\x20following\x20disclaimer.\n\x20\x20\x20\x20\x20*\
-    \x20Redistributions\x20in\x20binary\x20form\x20must\x20reproduce\x20the\
-    \x20above\n\x20copyright\x20notice,\x20this\x20list\x20of\x20conditions\
-    \x20and\x20the\x20following\x20disclaimer\n\x20in\x20the\x20documentatio\
-    n\x20and/or\x20other\x20materials\x20provided\x20with\x20the\n\x20distri\
-    bution.\n\x20\x20\x20\x20\x20*\x20Neither\x20the\x20name\x20of\x20Google\
-    \x20Inc.\x20nor\x20the\x20names\x20of\x20its\n\x20contributors\x20may\
-    \x20be\x20used\x20to\x20endorse\x20or\x20promote\x20products\x20derived\
-    \x20from\n\x20this\x20software\x20without\x20specific\x20prior\x20writte\
-    n\x20permission.\n\n\x20THIS\x20SOFTWARE\x20IS\x20PROVIDED\x20BY\x20THE\
-    \x20COPYRIGHT\x20HOLDERS\x20AND\x20CONTRIBUTORS\n\x20\"AS\x20IS\"\x20AND\
-    \x20ANY\x20EXPRESS\x20OR\x20IMPLIED\x20WARRANTIES,\x20INCLUDING,\x20BUT\
-    \x20NOT\n\x20LIMITED\x20TO,\x20THE\x20IMPLIED\x20WARRANTIES\x20OF\x20MER\
-    CHANTABILITY\x20AND\x20FITNESS\x20FOR\n\x20A\x20PARTICULAR\x20PURPOSE\
-    \x20ARE\x20DISCLAIMED.\x20IN\x20NO\x20EVENT\x20SHALL\x20THE\x20COPYRIGHT\
-    \n\x20OWNER\x20OR\x20CONTRIBUTORS\x20BE\x20LIABLE\x20FOR\x20ANY\x20DIREC\
-    T,\x20INDIRECT,\x20INCIDENTAL,\n\x20SPECIAL,\x20EXEMPLARY,\x20OR\x20CONS\
-    EQUENTIAL\x20DAMAGES\x20(INCLUDING,\x20BUT\x20NOT\n\x20LIMITED\x20TO,\
-    \x20PROCUREMENT\x20OF\x20SUBSTITUTE\x20GOODS\x20OR\x20SERVICES;\x20LOSS\
-    \x20OF\x20USE,\n\x20DATA,\x20OR\x20PROFITS;\x20OR\x20BUSINESS\x20INTERRU\
-    PTION)\x20HOWEVER\x20CAUSED\x20AND\x20ON\x20ANY\n\x20THEORY\x20OF\x20LIA\
-    BILITY,\x20WHETHER\x20IN\x20CONTRACT,\x20STRICT\x20LIABILITY,\x20OR\x20T\
-    ORT\n\x20(INCLUDING\x20NEGLIGENCE\x20OR\x20OTHERWISE)\x20ARISING\x20IN\
-    \x20ANY\x20WAY\x20OUT\x20OF\x20THE\x20USE\n\x20OF\x20THIS\x20SOFTWARE,\
-    \x20EVEN\x20IF\x20ADVISED\x20OF\x20THE\x20POSSIBILITY\x20OF\x20SUCH\x20D\
-    AMAGE.\n\n\x08\n\x01\x02\x12\x03\x20\0\x18\n\x08\n\x01\x08\x12\x03\"\0;\
-    \n\t\n\x02\x08%\x12\x03\"\0;\n\x08\n\x01\x08\x12\x03#\0\x1f\n\t\n\x02\
-    \x08\x1f\x12\x03#\0\x1f\n\x08\n\x01\x08\x12\x03$\0B\n\t\n\x02\x08\x0b\
-    \x12\x03$\0B\n\x08\n\x01\x08\x12\x03%\0,\n\t\n\x02\x08\x01\x12\x03%\0,\n\
-    \x08\n\x01\x08\x12\x03&\0/\n\t\n\x02\x08\x08\x12\x03&\0/\n\x08\n\x01\x08\
-    \x12\x03'\0\"\n\t\n\x02\x08\n\x12\x03'\0\"\n\x08\n\x01\x08\x12\x03(\0!\n\
-    \t\n\x02\x08$\x12\x03(\0!\n\xb8\x0f\n\x02\x04\0\x12\x04_\0k\x01\x1a\xab\
-    \x0f\x20A\x20Timestamp\x20represents\x20a\x20point\x20in\x20time\x20inde\
-    pendent\x20of\x20any\x20time\x20zone\n\x20or\x20calendar,\x20represented\
-    \x20as\x20seconds\x20and\x20fractions\x20of\x20seconds\x20at\n\x20nanose\
-    cond\x20resolution\x20in\x20UTC\x20Epoch\x20time.\x20It\x20is\x20encoded\
-    \x20using\x20the\n\x20Proleptic\x20Gregorian\x20Calendar\x20which\x20ext\
-    ends\x20the\x20Gregorian\x20calendar\n\x20backwards\x20to\x20year\x20one\
-    .\x20It\x20is\x20encoded\x20assuming\x20all\x20minutes\x20are\x2060\n\
-    \x20seconds\x20long,\x20i.e.\x20leap\x20seconds\x20are\x20\"smeared\"\
-    \x20so\x20that\x20no\x20leap\x20second\n\x20table\x20is\x20needed\x20for\
-    \x20interpretation.\x20Range\x20is\x20from\n\x200001-01-01T00:00:00Z\x20\
-    to\x209999-12-31T23:59:59.999999999Z.\n\x20By\x20restricting\x20to\x20th\
-    at\x20range,\x20we\x20ensure\x20that\x20we\x20can\x20convert\x20to\n\x20\
-    and\x20from\x20\x20RFC\x203339\x20date\x20strings.\n\x20See\x20[https://\
-    www.ietf.org/rfc/rfc3339.txt](https://www.ietf.org/rfc/rfc3339.txt).\n\n\
-    \x20Example\x201:\x20Compute\x20Timestamp\x20from\x20POSIX\x20`time()`.\
-    \n\n\x20\x20\x20\x20\x20Timestamp\x20timestamp;\n\x20\x20\x20\x20\x20tim\
-    estamp.set_seconds(time(NULL));\n\x20\x20\x20\x20\x20timestamp.set_nanos\
-    (0);\n\n\x20Example\x202:\x20Compute\x20Timestamp\x20from\x20POSIX\x20`g\
-    ettimeofday()`.\n\n\x20\x20\x20\x20\x20struct\x20timeval\x20tv;\n\x20\
-    \x20\x20\x20\x20gettimeofday(&tv,\x20NULL);\n\n\x20\x20\x20\x20\x20Times\
-    tamp\x20timestamp;\n\x20\x20\x20\x20\x20timestamp.set_seconds(tv.tv_sec)\
-    ;\n\x20\x20\x20\x20\x20timestamp.set_nanos(tv.tv_usec\x20*\x201000);\n\n\
-    \x20Example\x203:\x20Compute\x20Timestamp\x20from\x20Win32\x20`GetSystem\
-    TimeAsFileTime()`.\n\n\x20\x20\x20\x20\x20FILETIME\x20ft;\n\x20\x20\x20\
-    \x20\x20GetSystemTimeAsFileTime(&ft);\n\x20\x20\x20\x20\x20UINT64\x20tic\
-    ks\x20=\x20(((UINT64)ft.dwHighDateTime)\x20<<\x2032)\x20|\x20ft.dwLowDat\
-    eTime;\n\n\x20\x20\x20\x20\x20//\x20A\x20Windows\x20tick\x20is\x20100\
-    \x20nanoseconds.\x20Windows\x20epoch\x201601-01-01T00:00:00Z\n\x20\x20\
-    \x20\x20\x20//\x20is\x2011644473600\x20seconds\x20before\x20Unix\x20epoc\
-    h\x201970-01-01T00:00:00Z.\n\x20\x20\x20\x20\x20Timestamp\x20timestamp;\
-    \n\x20\x20\x20\x20\x20timestamp.set_seconds((INT64)\x20((ticks\x20/\x201\
-    0000000)\x20-\x2011644473600LL));\n\x20\x20\x20\x20\x20timestamp.set_nan\
-    os((INT32)\x20((ticks\x20%\x2010000000)\x20*\x20100));\n\n\x20Example\
-    \x204:\x20Compute\x20Timestamp\x20from\x20Java\x20`System.currentTimeMil\
-    lis()`.\n\n\x20\x20\x20\x20\x20long\x20millis\x20=\x20System.currentTime\
-    Millis();\n\n\x20\x20\x20\x20\x20Timestamp\x20timestamp\x20=\x20Timestam\
-    p.newBuilder().setSeconds(millis\x20/\x201000)\n\x20\x20\x20\x20\x20\x20\
-    \x20\x20\x20.setNanos((int)\x20((millis\x20%\x201000)\x20*\x201000000)).\
-    build();\n\n\n\x20Example\x205:\x20Compute\x20Timestamp\x20from\x20curre\
-    nt\x20time\x20in\x20Python.\n\n\x20\x20\x20\x20\x20timestamp\x20=\x20Tim\
-    estamp()\n\x20\x20\x20\x20\x20timestamp.GetCurrentTime()\n\n\n\n\n\n\x03\
-    \x04\0\x01\x12\x03_\x08\x11\n\x9c\x01\n\x04\x04\0\x02\0\x12\x03d\x02\x14\
+    nanos\x18\x02\x20\x01(\x05R\x05nanosB\x85\x01\n\x13com.google.protobufB\
+    \x0eTimestampProtoP\x01Z2google.golang.org/protobuf/types/known/timestam\
+    ppb\xf8\x01\x01\xa2\x02\x03GPB\xaa\x02\x1eGoogle.Protobuf.WellKnownTypes\
+    J\xc5/\n\x07\x12\x05\x1e\0\x92\x01\x01\n\xcc\x0c\n\x01\x0c\x12\x03\x1e\0\
+    \x122\xc1\x0c\x20Protocol\x20Buffers\x20-\x20Google's\x20data\x20interch\
+    ange\x20format\n\x20Copyright\x202008\x20Google\x20Inc.\x20\x20All\x20ri\
+    ghts\x20reserved.\n\x20https://developers.google.com/protocol-buffers/\n\
+    \n\x20Redistribution\x20and\x20use\x20in\x20source\x20and\x20binary\x20f\
+    orms,\x20with\x20or\x20without\n\x20modification,\x20are\x20permitted\
+    \x20provided\x20that\x20the\x20following\x20conditions\x20are\n\x20met:\
+    \n\n\x20\x20\x20\x20\x20*\x20Redistributions\x20of\x20source\x20code\x20\
+    must\x20retain\x20the\x20above\x20copyright\n\x20notice,\x20this\x20list\
+    \x20of\x20conditions\x20and\x20the\x20following\x20disclaimer.\n\x20\x20\
+    \x20\x20\x20*\x20Redistributions\x20in\x20binary\x20form\x20must\x20repr\
+    oduce\x20the\x20above\n\x20copyright\x20notice,\x20this\x20list\x20of\
+    \x20conditions\x20and\x20the\x20following\x20disclaimer\n\x20in\x20the\
+    \x20documentation\x20and/or\x20other\x20materials\x20provided\x20with\
+    \x20the\n\x20distribution.\n\x20\x20\x20\x20\x20*\x20Neither\x20the\x20n\
+    ame\x20of\x20Google\x20Inc.\x20nor\x20the\x20names\x20of\x20its\n\x20con\
+    tributors\x20may\x20be\x20used\x20to\x20endorse\x20or\x20promote\x20prod\
+    ucts\x20derived\x20from\n\x20this\x20software\x20without\x20specific\x20\
+    prior\x20written\x20permission.\n\n\x20THIS\x20SOFTWARE\x20IS\x20PROVIDE\
+    D\x20BY\x20THE\x20COPYRIGHT\x20HOLDERS\x20AND\x20CONTRIBUTORS\n\x20\"AS\
+    \x20IS\"\x20AND\x20ANY\x20EXPRESS\x20OR\x20IMPLIED\x20WARRANTIES,\x20INC\
+    LUDING,\x20BUT\x20NOT\n\x20LIMITED\x20TO,\x20THE\x20IMPLIED\x20WARRANTIE\
+    S\x20OF\x20MERCHANTABILITY\x20AND\x20FITNESS\x20FOR\n\x20A\x20PARTICULAR\
+    \x20PURPOSE\x20ARE\x20DISCLAIMED.\x20IN\x20NO\x20EVENT\x20SHALL\x20THE\
+    \x20COPYRIGHT\n\x20OWNER\x20OR\x20CONTRIBUTORS\x20BE\x20LIABLE\x20FOR\
+    \x20ANY\x20DIRECT,\x20INDIRECT,\x20INCIDENTAL,\n\x20SPECIAL,\x20EXEMPLAR\
+    Y,\x20OR\x20CONSEQUENTIAL\x20DAMAGES\x20(INCLUDING,\x20BUT\x20NOT\n\x20L\
+    IMITED\x20TO,\x20PROCUREMENT\x20OF\x20SUBSTITUTE\x20GOODS\x20OR\x20SERVI\
+    CES;\x20LOSS\x20OF\x20USE,\n\x20DATA,\x20OR\x20PROFITS;\x20OR\x20BUSINES\
+    S\x20INTERRUPTION)\x20HOWEVER\x20CAUSED\x20AND\x20ON\x20ANY\n\x20THEORY\
+    \x20OF\x20LIABILITY,\x20WHETHER\x20IN\x20CONTRACT,\x20STRICT\x20LIABILIT\
+    Y,\x20OR\x20TORT\n\x20(INCLUDING\x20NEGLIGENCE\x20OR\x20OTHERWISE)\x20AR\
+    ISING\x20IN\x20ANY\x20WAY\x20OUT\x20OF\x20THE\x20USE\n\x20OF\x20THIS\x20\
+    SOFTWARE,\x20EVEN\x20IF\x20ADVISED\x20OF\x20THE\x20POSSIBILITY\x20OF\x20\
+    SUCH\x20DAMAGE.\n\n\x08\n\x01\x02\x12\x03\x20\0\x18\n\x08\n\x01\x08\x12\
+    \x03\"\0;\n\t\n\x02\x08%\x12\x03\"\0;\n\x08\n\x01\x08\x12\x03#\0\x1f\n\t\
+    \n\x02\x08\x1f\x12\x03#\0\x1f\n\x08\n\x01\x08\x12\x03$\0I\n\t\n\x02\x08\
+    \x0b\x12\x03$\0I\n\x08\n\x01\x08\x12\x03%\0,\n\t\n\x02\x08\x01\x12\x03%\
+    \0,\n\x08\n\x01\x08\x12\x03&\0/\n\t\n\x02\x08\x08\x12\x03&\0/\n\x08\n\
+    \x01\x08\x12\x03'\0\"\n\t\n\x02\x08\n\x12\x03'\0\"\n\x08\n\x01\x08\x12\
+    \x03(\0!\n\t\n\x02\x08$\x12\x03(\0!\n\xde\x1d\n\x02\x04\0\x12\x06\x87\
+    \x01\0\x92\x01\x01\x1a\xcf\x1d\x20A\x20Timestamp\x20represents\x20a\x20p\
+    oint\x20in\x20time\x20independent\x20of\x20any\x20time\x20zone\x20or\x20\
+    local\n\x20calendar,\x20encoded\x20as\x20a\x20count\x20of\x20seconds\x20\
+    and\x20fractions\x20of\x20seconds\x20at\n\x20nanosecond\x20resolution.\
+    \x20The\x20count\x20is\x20relative\x20to\x20an\x20epoch\x20at\x20UTC\x20\
+    midnight\x20on\n\x20January\x201,\x201970,\x20in\x20the\x20proleptic\x20\
+    Gregorian\x20calendar\x20which\x20extends\x20the\n\x20Gregorian\x20calen\
+    dar\x20backwards\x20to\x20year\x20one.\n\n\x20All\x20minutes\x20are\x206\
+    0\x20seconds\x20long.\x20Leap\x20seconds\x20are\x20\"smeared\"\x20so\x20\
+    that\x20no\x20leap\n\x20second\x20table\x20is\x20needed\x20for\x20interp\
+    retation,\x20using\x20a\x20[24-hour\x20linear\n\x20smear](https://develo\
+    pers.google.com/time/smear).\n\n\x20The\x20range\x20is\x20from\x200001-0\
+    1-01T00:00:00Z\x20to\x209999-12-31T23:59:59.999999999Z.\x20By\n\x20restr\
+    icting\x20to\x20that\x20range,\x20we\x20ensure\x20that\x20we\x20can\x20c\
+    onvert\x20to\x20and\x20from\x20[RFC\n\x203339](https://www.ietf.org/rfc/\
+    rfc3339.txt)\x20date\x20strings.\n\n\x20#\x20Examples\n\n\x20Example\x20\
+    1:\x20Compute\x20Timestamp\x20from\x20POSIX\x20`time()`.\n\n\x20\x20\x20\
+    \x20\x20Timestamp\x20timestamp;\n\x20\x20\x20\x20\x20timestamp.set_secon\
+    ds(time(NULL));\n\x20\x20\x20\x20\x20timestamp.set_nanos(0);\n\n\x20Exam\
+    ple\x202:\x20Compute\x20Timestamp\x20from\x20POSIX\x20`gettimeofday()`.\
+    \n\n\x20\x20\x20\x20\x20struct\x20timeval\x20tv;\n\x20\x20\x20\x20\x20ge\
+    ttimeofday(&tv,\x20NULL);\n\n\x20\x20\x20\x20\x20Timestamp\x20timestamp;\
+    \n\x20\x20\x20\x20\x20timestamp.set_seconds(tv.tv_sec);\n\x20\x20\x20\
+    \x20\x20timestamp.set_nanos(tv.tv_usec\x20*\x201000);\n\n\x20Example\x20\
+    3:\x20Compute\x20Timestamp\x20from\x20Win32\x20`GetSystemTimeAsFileTime(\
+    )`.\n\n\x20\x20\x20\x20\x20FILETIME\x20ft;\n\x20\x20\x20\x20\x20GetSyste\
+    mTimeAsFileTime(&ft);\n\x20\x20\x20\x20\x20UINT64\x20ticks\x20=\x20(((UI\
+    NT64)ft.dwHighDateTime)\x20<<\x2032)\x20|\x20ft.dwLowDateTime;\n\n\x20\
+    \x20\x20\x20\x20//\x20A\x20Windows\x20tick\x20is\x20100\x20nanoseconds.\
+    \x20Windows\x20epoch\x201601-01-01T00:00:00Z\n\x20\x20\x20\x20\x20//\x20\
+    is\x2011644473600\x20seconds\x20before\x20Unix\x20epoch\x201970-01-01T00\
+    :00:00Z.\n\x20\x20\x20\x20\x20Timestamp\x20timestamp;\n\x20\x20\x20\x20\
+    \x20timestamp.set_seconds((INT64)\x20((ticks\x20/\x2010000000)\x20-\x201\
+    1644473600LL));\n\x20\x20\x20\x20\x20timestamp.set_nanos((INT32)\x20((ti\
+    cks\x20%\x2010000000)\x20*\x20100));\n\n\x20Example\x204:\x20Compute\x20\
+    Timestamp\x20from\x20Java\x20`System.currentTimeMillis()`.\n\n\x20\x20\
+    \x20\x20\x20long\x20millis\x20=\x20System.currentTimeMillis();\n\n\x20\
+    \x20\x20\x20\x20Timestamp\x20timestamp\x20=\x20Timestamp.newBuilder().se\
+    tSeconds(millis\x20/\x201000)\n\x20\x20\x20\x20\x20\x20\x20\x20\x20.setN\
+    anos((int)\x20((millis\x20%\x201000)\x20*\x201000000)).build();\n\n\n\
+    \x20Example\x205:\x20Compute\x20Timestamp\x20from\x20Java\x20`Instant.no\
+    w()`.\n\n\x20\x20\x20\x20\x20Instant\x20now\x20=\x20Instant.now();\n\n\
+    \x20\x20\x20\x20\x20Timestamp\x20timestamp\x20=\n\x20\x20\x20\x20\x20\
+    \x20\x20\x20\x20Timestamp.newBuilder().setSeconds(now.getEpochSecond())\
+    \n\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20\x20.setNanos(now.getN\
+    ano()).build();\n\n\n\x20Example\x206:\x20Compute\x20Timestamp\x20from\
+    \x20current\x20time\x20in\x20Python.\n\n\x20\x20\x20\x20\x20timestamp\
+    \x20=\x20Timestamp()\n\x20\x20\x20\x20\x20timestamp.GetCurrentTime()\n\n\
+    \x20#\x20JSON\x20Mapping\n\n\x20In\x20JSON\x20format,\x20the\x20Timestam\
+    p\x20type\x20is\x20encoded\x20as\x20a\x20string\x20in\x20the\n\x20[RFC\
+    \x203339](https://www.ietf.org/rfc/rfc3339.txt)\x20format.\x20That\x20is\
+    ,\x20the\n\x20format\x20is\x20\"{year}-{month}-{day}T{hour}:{min}:{sec}[\
+    .{frac_sec}]Z\"\n\x20where\x20{year}\x20is\x20always\x20expressed\x20usi\
+    ng\x20four\x20digits\x20while\x20{month},\x20{day},\n\x20{hour},\x20{min\
+    },\x20and\x20{sec}\x20are\x20zero-padded\x20to\x20two\x20digits\x20each.\
+    \x20The\x20fractional\n\x20seconds,\x20which\x20can\x20go\x20up\x20to\
+    \x209\x20digits\x20(i.e.\x20up\x20to\x201\x20nanosecond\x20resolution),\
+    \n\x20are\x20optional.\x20The\x20\"Z\"\x20suffix\x20indicates\x20the\x20\
+    timezone\x20(\"UTC\");\x20the\x20timezone\n\x20is\x20required.\x20A\x20p\
+    roto3\x20JSON\x20serializer\x20should\x20always\x20use\x20UTC\x20(as\x20\
+    indicated\x20by\n\x20\"Z\")\x20when\x20printing\x20the\x20Timestamp\x20t\
+    ype\x20and\x20a\x20proto3\x20JSON\x20parser\x20should\x20be\n\x20able\
+    \x20to\x20accept\x20both\x20UTC\x20and\x20other\x20timezones\x20(as\x20i\
+    ndicated\x20by\x20an\x20offset).\n\n\x20For\x20example,\x20\"2017-01-15T\
+    01:30:15.01Z\"\x20encodes\x2015.01\x20seconds\x20past\n\x2001:30\x20UTC\
+    \x20on\x20January\x2015,\x202017.\n\n\x20In\x20JavaScript,\x20one\x20can\
+    \x20convert\x20a\x20Date\x20object\x20to\x20this\x20format\x20using\x20t\
+    he\n\x20standard\n\x20[toISOString()](https://developer.mozilla.org/en-U\
+    S/docs/Web/JavaScript/Reference/Global_Objects/Date/toISOString)\n\x20me\
+    thod.\x20In\x20Python,\x20a\x20standard\x20`datetime.datetime`\x20object\
+    \x20can\x20be\x20converted\n\x20to\x20this\x20format\x20using\n\x20[`str\
+    ftime`](https://docs.python.org/2/library/time.html#time.strftime)\x20wi\
+    th\n\x20the\x20time\x20format\x20spec\x20'%Y-%m-%dT%H:%M:%S.%fZ'.\x20Lik\
+    ewise,\x20in\x20Java,\x20one\x20can\x20use\n\x20the\x20Joda\x20Time's\
+    \x20[`ISODateTimeFormat.dateTime()`](\n\x20http://www.joda.org/joda-time\
+    /apidocs/org/joda/time/format/ISODateTimeFormat.html#dateTime%2D%2D\n\
+    \x20)\x20to\x20obtain\x20a\x20formatter\x20capable\x20of\x20generating\
+    \x20timestamps\x20in\x20this\x20format.\n\n\n\n\x0b\n\x03\x04\0\x01\x12\
+    \x04\x87\x01\x08\x11\n\x9d\x01\n\x04\x04\0\x02\0\x12\x04\x8b\x01\x02\x14\
     \x1a\x8e\x01\x20Represents\x20seconds\x20of\x20UTC\x20time\x20since\x20U\
     nix\x20epoch\n\x201970-01-01T00:00:00Z.\x20Must\x20be\x20from\x200001-01\
-    -01T00:00:00Z\x20to\n\x209999-12-31T23:59:59Z\x20inclusive.\n\n\x0c\n\
-    \x05\x04\0\x02\0\x05\x12\x03d\x02\x07\n\x0c\n\x05\x04\0\x02\0\x01\x12\
-    \x03d\x08\x0f\n\x0c\n\x05\x04\0\x02\0\x03\x12\x03d\x12\x13\n\xe4\x01\n\
-    \x04\x04\0\x02\x01\x12\x03j\x02\x12\x1a\xd6\x01\x20Non-negative\x20fract\
-    ions\x20of\x20a\x20second\x20at\x20nanosecond\x20resolution.\x20Negative\
-    \n\x20second\x20values\x20with\x20fractions\x20must\x20still\x20have\x20\
-    non-negative\x20nanos\x20values\n\x20that\x20count\x20forward\x20in\x20t\
-    ime.\x20Must\x20be\x20from\x200\x20to\x20999,999,999\n\x20inclusive.\n\n\
-    \x0c\n\x05\x04\0\x02\x01\x05\x12\x03j\x02\x07\n\x0c\n\x05\x04\0\x02\x01\
-    \x01\x12\x03j\x08\r\n\x0c\n\x05\x04\0\x02\x01\x03\x12\x03j\x10\x11b\x06p\
-    roto3\
+    -01T00:00:00Z\x20to\n\x209999-12-31T23:59:59Z\x20inclusive.\n\n\r\n\x05\
+    \x04\0\x02\0\x05\x12\x04\x8b\x01\x02\x07\n\r\n\x05\x04\0\x02\0\x01\x12\
+    \x04\x8b\x01\x08\x0f\n\r\n\x05\x04\0\x02\0\x03\x12\x04\x8b\x01\x12\x13\n\
+    \xe5\x01\n\x04\x04\0\x02\x01\x12\x04\x91\x01\x02\x12\x1a\xd6\x01\x20Non-\
+    negative\x20fractions\x20of\x20a\x20second\x20at\x20nanosecond\x20resolu\
+    tion.\x20Negative\n\x20second\x20values\x20with\x20fractions\x20must\x20\
+    still\x20have\x20non-negative\x20nanos\x20values\n\x20that\x20count\x20f\
+    orward\x20in\x20time.\x20Must\x20be\x20from\x200\x20to\x20999,999,999\n\
+    \x20inclusive.\n\n\r\n\x05\x04\0\x02\x01\x05\x12\x04\x91\x01\x02\x07\n\r\
+    \n\x05\x04\0\x02\x01\x01\x12\x04\x91\x01\x08\r\n\r\n\x05\x04\0\x02\x01\
+    \x03\x12\x04\x91\x01\x10\x11b\x06proto3\
 ";
 
 static file_descriptor_proto_lazy: crate::rt::LazyV2<crate::descriptor::FileDescriptorProto> = crate::rt::LazyV2::INIT;
diff --git a/src/well_known_types/type_pb.rs b/src/well_known_types/type_pb.rs
index 556457e..88744ae 100644
--- a/src/well_known_types/type_pb.rs
+++ b/src/well_known_types/type_pb.rs
@@ -1,4 +1,4 @@
-// This file is generated by rust-protobuf 2.19.0-pre. Do not edit
+// This file is generated by rust-protobuf 2.22.0-pre. Do not edit
 // @generated
 
 // https://github.com/rust-lang/rust-clippy/issues/702
@@ -20,7 +20,7 @@
 //! Generated file from `google/protobuf/type.proto`
 
 #[derive(PartialEq,Clone,Default)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub struct Type {
     // message fields
     pub name: ::std::string::String,
@@ -409,7 +409,7 @@
 }
 
 #[derive(PartialEq,Clone,Default)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub struct Field {
     // message fields
     pub kind: Field_Kind,
@@ -913,7 +913,7 @@
 }
 
 #[derive(Clone,PartialEq,Eq,Debug,Hash)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub enum Field_Kind {
     TYPE_UNKNOWN = 0,
     TYPE_DOUBLE = 1,
@@ -1015,7 +1015,7 @@
 }
 
 #[derive(Clone,PartialEq,Eq,Debug,Hash)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub enum Field_Cardinality {
     CARDINALITY_UNKNOWN = 0,
     CARDINALITY_OPTIONAL = 1,
@@ -1072,7 +1072,7 @@
 }
 
 #[derive(PartialEq,Clone,Default)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub struct Enum {
     // message fields
     pub name: ::std::string::String,
@@ -1420,7 +1420,7 @@
 }
 
 #[derive(PartialEq,Clone,Default)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub struct EnumValue {
     // message fields
     pub name: ::std::string::String,
@@ -1666,7 +1666,7 @@
 }
 
 #[derive(PartialEq,Clone,Default)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub struct Option {
     // message fields
     pub name: ::std::string::String,
@@ -1885,7 +1885,7 @@
 }
 
 #[derive(Clone,PartialEq,Eq,Debug,Hash)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub enum Syntax {
     SYNTAX_PROTO2 = 0,
     SYNTAX_PROTO3 = 1,
@@ -1975,239 +1975,249 @@
     \x03(\x0b2\x17.google.protobuf.OptionR\x07options\"H\n\x06Option\x12\x12\
     \n\x04name\x18\x01\x20\x01(\tR\x04name\x12*\n\x05value\x18\x02\x20\x01(\
     \x0b2\x14.google.protobuf.AnyR\x05value*.\n\x06Syntax\x12\x11\n\rSYNTAX_\
-    PROTO2\x10\0\x12\x11\n\rSYNTAX_PROTO3\x10\x01BL\n\x13com.google.protobuf\
-    B\tTypeProtoP\x01\xf8\x01\x01\xa2\x02\x03GPB\xaa\x02\x1eGoogle.Protobuf.\
-    WellKnownTypesJ\x9a5\n\x07\x12\x05\x1e\0\xb3\x01\x01\n\xcc\x0c\n\x01\x0c\
-    \x12\x03\x1e\0\x122\xc1\x0c\x20Protocol\x20Buffers\x20-\x20Google's\x20d\
-    ata\x20interchange\x20format\n\x20Copyright\x202008\x20Google\x20Inc.\
-    \x20\x20All\x20rights\x20reserved.\n\x20https://developers.google.com/pr\
-    otocol-buffers/\n\n\x20Redistribution\x20and\x20use\x20in\x20source\x20a\
-    nd\x20binary\x20forms,\x20with\x20or\x20without\n\x20modification,\x20ar\
-    e\x20permitted\x20provided\x20that\x20the\x20following\x20conditions\x20\
-    are\n\x20met:\n\n\x20\x20\x20\x20\x20*\x20Redistributions\x20of\x20sourc\
-    e\x20code\x20must\x20retain\x20the\x20above\x20copyright\n\x20notice,\
-    \x20this\x20list\x20of\x20conditions\x20and\x20the\x20following\x20discl\
-    aimer.\n\x20\x20\x20\x20\x20*\x20Redistributions\x20in\x20binary\x20form\
-    \x20must\x20reproduce\x20the\x20above\n\x20copyright\x20notice,\x20this\
-    \x20list\x20of\x20conditions\x20and\x20the\x20following\x20disclaimer\n\
-    \x20in\x20the\x20documentation\x20and/or\x20other\x20materials\x20provid\
-    ed\x20with\x20the\n\x20distribution.\n\x20\x20\x20\x20\x20*\x20Neither\
-    \x20the\x20name\x20of\x20Google\x20Inc.\x20nor\x20the\x20names\x20of\x20\
-    its\n\x20contributors\x20may\x20be\x20used\x20to\x20endorse\x20or\x20pro\
-    mote\x20products\x20derived\x20from\n\x20this\x20software\x20without\x20\
-    specific\x20prior\x20written\x20permission.\n\n\x20THIS\x20SOFTWARE\x20I\
-    S\x20PROVIDED\x20BY\x20THE\x20COPYRIGHT\x20HOLDERS\x20AND\x20CONTRIBUTOR\
-    S\n\x20\"AS\x20IS\"\x20AND\x20ANY\x20EXPRESS\x20OR\x20IMPLIED\x20WARRANT\
-    IES,\x20INCLUDING,\x20BUT\x20NOT\n\x20LIMITED\x20TO,\x20THE\x20IMPLIED\
-    \x20WARRANTIES\x20OF\x20MERCHANTABILITY\x20AND\x20FITNESS\x20FOR\n\x20A\
-    \x20PARTICULAR\x20PURPOSE\x20ARE\x20DISCLAIMED.\x20IN\x20NO\x20EVENT\x20\
-    SHALL\x20THE\x20COPYRIGHT\n\x20OWNER\x20OR\x20CONTRIBUTORS\x20BE\x20LIAB\
-    LE\x20FOR\x20ANY\x20DIRECT,\x20INDIRECT,\x20INCIDENTAL,\n\x20SPECIAL,\
-    \x20EXEMPLARY,\x20OR\x20CONSEQUENTIAL\x20DAMAGES\x20(INCLUDING,\x20BUT\
-    \x20NOT\n\x20LIMITED\x20TO,\x20PROCUREMENT\x20OF\x20SUBSTITUTE\x20GOODS\
-    \x20OR\x20SERVICES;\x20LOSS\x20OF\x20USE,\n\x20DATA,\x20OR\x20PROFITS;\
-    \x20OR\x20BUSINESS\x20INTERRUPTION)\x20HOWEVER\x20CAUSED\x20AND\x20ON\
-    \x20ANY\n\x20THEORY\x20OF\x20LIABILITY,\x20WHETHER\x20IN\x20CONTRACT,\
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+    buffer\x20element\x20is\x20defined.\n\n\x0b\n\x03\x05\0\x01\x12\x04\xb5\
+    \x01\x05\x0b\n\x20\n\x04\x05\0\x02\0\x12\x04\xb7\x01\x02\x14\x1a\x12\x20\
+    Syntax\x20`proto2`.\n\n\r\n\x05\x05\0\x02\0\x01\x12\x04\xb7\x01\x02\x0f\
+    \n\r\n\x05\x05\0\x02\0\x02\x12\x04\xb7\x01\x12\x13\n\x20\n\x04\x05\0\x02\
+    \x01\x12\x04\xb9\x01\x02\x14\x1a\x12\x20Syntax\x20`proto3`.\n\n\r\n\x05\
+    \x05\0\x02\x01\x01\x12\x04\xb9\x01\x02\x0f\n\r\n\x05\x05\0\x02\x01\x02\
+    \x12\x04\xb9\x01\x12\x13b\x06proto3\
 ";
 
 static file_descriptor_proto_lazy: crate::rt::LazyV2<crate::descriptor::FileDescriptorProto> = crate::rt::LazyV2::INIT;
diff --git a/src/well_known_types/wrappers.rs b/src/well_known_types/wrappers.rs
index 65e77de..76392a2 100644
--- a/src/well_known_types/wrappers.rs
+++ b/src/well_known_types/wrappers.rs
@@ -1,4 +1,4 @@
-// This file is generated by rust-protobuf 2.19.0-pre. Do not edit
+// This file is generated by rust-protobuf 2.22.0-pre. Do not edit
 // @generated
 
 // https://github.com/rust-lang/rust-clippy/issues/702
@@ -20,7 +20,7 @@
 //! Generated file from `google/protobuf/wrappers.proto`
 
 #[derive(PartialEq,Clone,Default)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub struct DoubleValue {
     // message fields
     pub value: f64,
@@ -175,7 +175,7 @@
 }
 
 #[derive(PartialEq,Clone,Default)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub struct FloatValue {
     // message fields
     pub value: f32,
@@ -330,7 +330,7 @@
 }
 
 #[derive(PartialEq,Clone,Default)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub struct Int64Value {
     // message fields
     pub value: i64,
@@ -485,7 +485,7 @@
 }
 
 #[derive(PartialEq,Clone,Default)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub struct UInt64Value {
     // message fields
     pub value: u64,
@@ -640,7 +640,7 @@
 }
 
 #[derive(PartialEq,Clone,Default)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub struct Int32Value {
     // message fields
     pub value: i32,
@@ -795,7 +795,7 @@
 }
 
 #[derive(PartialEq,Clone,Default)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub struct UInt32Value {
     // message fields
     pub value: u32,
@@ -950,7 +950,7 @@
 }
 
 #[derive(PartialEq,Clone,Default)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub struct BoolValue {
     // message fields
     pub value: bool,
@@ -1105,7 +1105,7 @@
 }
 
 #[derive(PartialEq,Clone,Default)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub struct StringValue {
     // message fields
     pub value: ::std::string::String,
@@ -1267,7 +1267,7 @@
 }
 
 #[derive(PartialEq,Clone,Default)]
-#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "with-serde", derive(::serde::Serialize, ::serde::Deserialize))]
 pub struct BytesValue {
     // message fields
     pub value: ::std::vec::Vec<u8>,
@@ -1438,108 +1438,114 @@
     \x14\n\x05value\x18\x01\x20\x01(\rR\x05value\"!\n\tBoolValue\x12\x14\n\
     \x05value\x18\x01\x20\x01(\x08R\x05value\"#\n\x0bStringValue\x12\x14\n\
     \x05value\x18\x01\x20\x01(\tR\x05value\"\"\n\nBytesValue\x12\x14\n\x05va\
-    lue\x18\x01\x20\x01(\x0cR\x05valueB|\n\x13com.google.protobufB\rWrappers\
-    ProtoP\x01Z*github.com/golang/protobuf/ptypes/wrappers\xf8\x01\x01\xa2\
-    \x02\x03GPB\xaa\x02\x1eGoogle.Protobuf.WellKnownTypesJ\xae\x1d\n\x06\x12\
-    \x04#\0u\x01\n\xc3\x0e\n\x01\x0c\x12\x03#\0\x122\xc1\x0c\x20Protocol\x20\
-    Buffers\x20-\x20Google's\x20data\x20interchange\x20format\n\x20Copyright\
-    \x202008\x20Google\x20Inc.\x20\x20All\x20rights\x20reserved.\n\x20https:\
-    //developers.google.com/protocol-buffers/\n\n\x20Redistribution\x20and\
-    \x20use\x20in\x20source\x20and\x20binary\x20forms,\x20with\x20or\x20with\
-    out\n\x20modification,\x20are\x20permitted\x20provided\x20that\x20the\
-    \x20following\x20conditions\x20are\n\x20met:\n\n\x20\x20\x20\x20\x20*\
-    \x20Redistributions\x20of\x20source\x20code\x20must\x20retain\x20the\x20\
-    above\x20copyright\n\x20notice,\x20this\x20list\x20of\x20conditions\x20a\
-    nd\x20the\x20following\x20disclaimer.\n\x20\x20\x20\x20\x20*\x20Redistri\
-    butions\x20in\x20binary\x20form\x20must\x20reproduce\x20the\x20above\n\
-    \x20copyright\x20notice,\x20this\x20list\x20of\x20conditions\x20and\x20t\
-    he\x20following\x20disclaimer\n\x20in\x20the\x20documentation\x20and/or\
-    \x20other\x20materials\x20provided\x20with\x20the\n\x20distribution.\n\
-    \x20\x20\x20\x20\x20*\x20Neither\x20the\x20name\x20of\x20Google\x20Inc.\
-    \x20nor\x20the\x20names\x20of\x20its\n\x20contributors\x20may\x20be\x20u\
-    sed\x20to\x20endorse\x20or\x20promote\x20products\x20derived\x20from\n\
-    \x20this\x20software\x20without\x20specific\x20prior\x20written\x20permi\
-    ssion.\n\n\x20THIS\x20SOFTWARE\x20IS\x20PROVIDED\x20BY\x20THE\x20COPYRIG\
-    HT\x20HOLDERS\x20AND\x20CONTRIBUTORS\n\x20\"AS\x20IS\"\x20AND\x20ANY\x20\
-    EXPRESS\x20OR\x20IMPLIED\x20WARRANTIES,\x20INCLUDING,\x20BUT\x20NOT\n\
-    \x20LIMITED\x20TO,\x20THE\x20IMPLIED\x20WARRANTIES\x20OF\x20MERCHANTABIL\
-    ITY\x20AND\x20FITNESS\x20FOR\n\x20A\x20PARTICULAR\x20PURPOSE\x20ARE\x20D\
-    ISCLAIMED.\x20IN\x20NO\x20EVENT\x20SHALL\x20THE\x20COPYRIGHT\n\x20OWNER\
-    \x20OR\x20CONTRIBUTORS\x20BE\x20LIABLE\x20FOR\x20ANY\x20DIRECT,\x20INDIR\
-    ECT,\x20INCIDENTAL,\n\x20SPECIAL,\x20EXEMPLARY,\x20OR\x20CONSEQUENTIAL\
-    \x20DAMAGES\x20(INCLUDING,\x20BUT\x20NOT\n\x20LIMITED\x20TO,\x20PROCUREM\
-    ENT\x20OF\x20SUBSTITUTE\x20GOODS\x20OR\x20SERVICES;\x20LOSS\x20OF\x20USE\
-    ,\n\x20DATA,\x20OR\x20PROFITS;\x20OR\x20BUSINESS\x20INTERRUPTION)\x20HOW\
-    EVER\x20CAUSED\x20AND\x20ON\x20ANY\n\x20THEORY\x20OF\x20LIABILITY,\x20WH\
-    ETHER\x20IN\x20CONTRACT,\x20STRICT\x20LIABILITY,\x20OR\x20TORT\n\x20(INC\
-    LUDING\x20NEGLIGENCE\x20OR\x20OTHERWISE)\x20ARISING\x20IN\x20ANY\x20WAY\
-    \x20OUT\x20OF\x20THE\x20USE\n\x20OF\x20THIS\x20SOFTWARE,\x20EVEN\x20IF\
-    \x20ADVISED\x20OF\x20THE\x20POSSIBILITY\x20OF\x20SUCH\x20DAMAGE.\n2\xf4\
-    \x01\x20Wrappers\x20for\x20primitive\x20(non-message)\x20types.\x20These\
-    \x20types\x20are\x20useful\n\x20for\x20embedding\x20primitives\x20in\x20\
-    the\x20`google.protobuf.Any`\x20type\x20and\x20for\x20places\n\x20where\
-    \x20we\x20need\x20to\x20distinguish\x20between\x20the\x20absence\x20of\
-    \x20a\x20primitive\n\x20typed\x20field\x20and\x20its\x20default\x20value\
-    .\n\n\x08\n\x01\x02\x12\x03%\0\x18\n\x08\n\x01\x08\x12\x03'\0;\n\t\n\x02\
-    \x08%\x12\x03'\0;\n\x08\n\x01\x08\x12\x03(\0\x1f\n\t\n\x02\x08\x1f\x12\
-    \x03(\0\x1f\n\x08\n\x01\x08\x12\x03)\0A\n\t\n\x02\x08\x0b\x12\x03)\0A\n\
-    \x08\n\x01\x08\x12\x03*\0,\n\t\n\x02\x08\x01\x12\x03*\0,\n\x08\n\x01\x08\
-    \x12\x03+\0.\n\t\n\x02\x08\x08\x12\x03+\0.\n\x08\n\x01\x08\x12\x03,\0\"\
-    \n\t\n\x02\x08\n\x12\x03,\0\"\n\x08\n\x01\x08\x12\x03-\0!\n\t\n\x02\x08$\
-    \x12\x03-\0!\ng\n\x02\x04\0\x12\x042\05\x01\x1a[\x20Wrapper\x20message\
-    \x20for\x20`double`.\n\n\x20The\x20JSON\x20representation\x20for\x20`Dou\
-    bleValue`\x20is\x20JSON\x20number.\n\n\n\n\x03\x04\0\x01\x12\x032\x08\
-    \x13\n\x20\n\x04\x04\0\x02\0\x12\x034\x02\x13\x1a\x13\x20The\x20double\
-    \x20value.\n\n\x0c\n\x05\x04\0\x02\0\x05\x12\x034\x02\x08\n\x0c\n\x05\
-    \x04\0\x02\0\x01\x12\x034\t\x0e\n\x0c\n\x05\x04\0\x02\0\x03\x12\x034\x11\
-    \x12\ne\n\x02\x04\x01\x12\x04:\0=\x01\x1aY\x20Wrapper\x20message\x20for\
+    lue\x18\x01\x20\x01(\x0cR\x05valueB\x83\x01\n\x13com.google.protobufB\rW\
+    rappersProtoP\x01Z1google.golang.org/protobuf/types/known/wrapperspb\xf8\
+    \x01\x01\xa2\x02\x03GPB\xaa\x02\x1eGoogle.Protobuf.WellKnownTypesJ\xc6\
+    \x1f\n\x06\x12\x04(\0z\x01\n\xdb\x10\n\x01\x0c\x12\x03(\0\x122\xc1\x0c\
+    \x20Protocol\x20Buffers\x20-\x20Google's\x20data\x20interchange\x20forma\
+    t\n\x20Copyright\x202008\x20Google\x20Inc.\x20\x20All\x20rights\x20reser\
+    ved.\n\x20https://developers.google.com/protocol-buffers/\n\n\x20Redistr\
+    ibution\x20and\x20use\x20in\x20source\x20and\x20binary\x20forms,\x20with\
+    \x20or\x20without\n\x20modification,\x20are\x20permitted\x20provided\x20\
+    that\x20the\x20following\x20conditions\x20are\n\x20met:\n\n\x20\x20\x20\
+    \x20\x20*\x20Redistributions\x20of\x20source\x20code\x20must\x20retain\
+    \x20the\x20above\x20copyright\n\x20notice,\x20this\x20list\x20of\x20cond\
+    itions\x20and\x20the\x20following\x20disclaimer.\n\x20\x20\x20\x20\x20*\
+    \x20Redistributions\x20in\x20binary\x20form\x20must\x20reproduce\x20the\
+    \x20above\n\x20copyright\x20notice,\x20this\x20list\x20of\x20conditions\
+    \x20and\x20the\x20following\x20disclaimer\n\x20in\x20the\x20documentatio\
+    n\x20and/or\x20other\x20materials\x20provided\x20with\x20the\n\x20distri\
+    bution.\n\x20\x20\x20\x20\x20*\x20Neither\x20the\x20name\x20of\x20Google\
+    \x20Inc.\x20nor\x20the\x20names\x20of\x20its\n\x20contributors\x20may\
+    \x20be\x20used\x20to\x20endorse\x20or\x20promote\x20products\x20derived\
+    \x20from\n\x20this\x20software\x20without\x20specific\x20prior\x20writte\
+    n\x20permission.\n\n\x20THIS\x20SOFTWARE\x20IS\x20PROVIDED\x20BY\x20THE\
+    \x20COPYRIGHT\x20HOLDERS\x20AND\x20CONTRIBUTORS\n\x20\"AS\x20IS\"\x20AND\
+    \x20ANY\x20EXPRESS\x20OR\x20IMPLIED\x20WARRANTIES,\x20INCLUDING,\x20BUT\
+    \x20NOT\n\x20LIMITED\x20TO,\x20THE\x20IMPLIED\x20WARRANTIES\x20OF\x20MER\
+    CHANTABILITY\x20AND\x20FITNESS\x20FOR\n\x20A\x20PARTICULAR\x20PURPOSE\
+    \x20ARE\x20DISCLAIMED.\x20IN\x20NO\x20EVENT\x20SHALL\x20THE\x20COPYRIGHT\
+    \n\x20OWNER\x20OR\x20CONTRIBUTORS\x20BE\x20LIABLE\x20FOR\x20ANY\x20DIREC\
+    T,\x20INDIRECT,\x20INCIDENTAL,\n\x20SPECIAL,\x20EXEMPLARY,\x20OR\x20CONS\
+    EQUENTIAL\x20DAMAGES\x20(INCLUDING,\x20BUT\x20NOT\n\x20LIMITED\x20TO,\
+    \x20PROCUREMENT\x20OF\x20SUBSTITUTE\x20GOODS\x20OR\x20SERVICES;\x20LOSS\
+    \x20OF\x20USE,\n\x20DATA,\x20OR\x20PROFITS;\x20OR\x20BUSINESS\x20INTERRU\
+    PTION)\x20HOWEVER\x20CAUSED\x20AND\x20ON\x20ANY\n\x20THEORY\x20OF\x20LIA\
+    BILITY,\x20WHETHER\x20IN\x20CONTRACT,\x20STRICT\x20LIABILITY,\x20OR\x20T\
+    ORT\n\x20(INCLUDING\x20NEGLIGENCE\x20OR\x20OTHERWISE)\x20ARISING\x20IN\
+    \x20ANY\x20WAY\x20OUT\x20OF\x20THE\x20USE\n\x20OF\x20THIS\x20SOFTWARE,\
+    \x20EVEN\x20IF\x20ADVISED\x20OF\x20THE\x20POSSIBILITY\x20OF\x20SUCH\x20D\
+    AMAGE.\n2\x8c\x04\x20Wrappers\x20for\x20primitive\x20(non-message)\x20ty\
+    pes.\x20These\x20types\x20are\x20useful\n\x20for\x20embedding\x20primiti\
+    ves\x20in\x20the\x20`google.protobuf.Any`\x20type\x20and\x20for\x20place\
+    s\n\x20where\x20we\x20need\x20to\x20distinguish\x20between\x20the\x20abs\
+    ence\x20of\x20a\x20primitive\n\x20typed\x20field\x20and\x20its\x20defaul\
+    t\x20value.\n\n\x20These\x20wrappers\x20have\x20no\x20meaningful\x20use\
+    \x20within\x20repeated\x20fields\x20as\x20they\x20lack\n\x20the\x20abili\
+    ty\x20to\x20detect\x20presence\x20on\x20individual\x20elements.\n\x20The\
+    se\x20wrappers\x20have\x20no\x20meaningful\x20use\x20within\x20a\x20map\
+    \x20or\x20a\x20oneof\x20since\n\x20individual\x20entries\x20of\x20a\x20m\
+    ap\x20or\x20fields\x20of\x20a\x20oneof\x20can\x20already\x20detect\x20pr\
+    esence.\n\n\x08\n\x01\x02\x12\x03*\0\x18\n\x08\n\x01\x08\x12\x03,\0;\n\t\
+    \n\x02\x08%\x12\x03,\0;\n\x08\n\x01\x08\x12\x03-\0\x1f\n\t\n\x02\x08\x1f\
+    \x12\x03-\0\x1f\n\x08\n\x01\x08\x12\x03.\0H\n\t\n\x02\x08\x0b\x12\x03.\0\
+    H\n\x08\n\x01\x08\x12\x03/\0,\n\t\n\x02\x08\x01\x12\x03/\0,\n\x08\n\x01\
+    \x08\x12\x030\0.\n\t\n\x02\x08\x08\x12\x030\0.\n\x08\n\x01\x08\x12\x031\
+    \0\"\n\t\n\x02\x08\n\x12\x031\0\"\n\x08\n\x01\x08\x12\x032\0!\n\t\n\x02\
+    \x08$\x12\x032\0!\ng\n\x02\x04\0\x12\x047\0:\x01\x1a[\x20Wrapper\x20mess\
+    age\x20for\x20`double`.\n\n\x20The\x20JSON\x20representation\x20for\x20`\
+    DoubleValue`\x20is\x20JSON\x20number.\n\n\n\n\x03\x04\0\x01\x12\x037\x08\
+    \x13\n\x20\n\x04\x04\0\x02\0\x12\x039\x02\x13\x1a\x13\x20The\x20double\
+    \x20value.\n\n\x0c\n\x05\x04\0\x02\0\x05\x12\x039\x02\x08\n\x0c\n\x05\
+    \x04\0\x02\0\x01\x12\x039\t\x0e\n\x0c\n\x05\x04\0\x02\0\x03\x12\x039\x11\
+    \x12\ne\n\x02\x04\x01\x12\x04?\0B\x01\x1aY\x20Wrapper\x20message\x20for\
     \x20`float`.\n\n\x20The\x20JSON\x20representation\x20for\x20`FloatValue`\
-    \x20is\x20JSON\x20number.\n\n\n\n\x03\x04\x01\x01\x12\x03:\x08\x12\n\x1f\
-    \n\x04\x04\x01\x02\0\x12\x03<\x02\x12\x1a\x12\x20The\x20float\x20value.\
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-    \x02\0\x01\x12\x03<\x08\r\n\x0c\n\x05\x04\x01\x02\0\x03\x12\x03<\x10\x11\
-    \ne\n\x02\x04\x02\x12\x04B\0E\x01\x1aY\x20Wrapper\x20message\x20for\x20`\
+    \x20is\x20JSON\x20number.\n\n\n\n\x03\x04\x01\x01\x12\x03?\x08\x12\n\x1f\
+    \n\x04\x04\x01\x02\0\x12\x03A\x02\x12\x1a\x12\x20The\x20float\x20value.\
+    \n\n\x0c\n\x05\x04\x01\x02\0\x05\x12\x03A\x02\x07\n\x0c\n\x05\x04\x01\
+    \x02\0\x01\x12\x03A\x08\r\n\x0c\n\x05\x04\x01\x02\0\x03\x12\x03A\x10\x11\
+    \ne\n\x02\x04\x02\x12\x04G\0J\x01\x1aY\x20Wrapper\x20message\x20for\x20`\
     int64`.\n\n\x20The\x20JSON\x20representation\x20for\x20`Int64Value`\x20i\
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+    s\x20JSON\x20string.\n\n\n\n\x03\x04\x02\x01\x12\x03G\x08\x12\n\x1f\n\
+    \x04\x04\x02\x02\0\x12\x03I\x02\x12\x1a\x12\x20The\x20int64\x20value.\n\
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     b\x06proto3\
 ";