chore: Update discovery artifacts (#1396)

## Discovery Artifact Change Summary:
feat(dialogflow): update the api https://github.com/googleapis/google-api-python-client/commit/f7b0ebc0047427b3633480999ed28e0f37fa77f1
feat(sasportal): update the api https://github.com/googleapis/google-api-python-client/commit/ca30eddc3d583c1851cc2f70f37c1d9f81f4342f
feat(youtube): update the api https://github.com/googleapis/google-api-python-client/commit/981cfb0ae51df0d2f48152bb74f79840ca19727a
diff --git a/docs/dyn/spanner_v1.projects.instances.databases.sessions.html b/docs/dyn/spanner_v1.projects.instances.databases.sessions.html
index 1cbdde8..936dae8 100644
--- a/docs/dyn/spanner_v1.projects.instances.databases.sessions.html
+++ b/docs/dyn/spanner_v1.projects.instances.databases.sessions.html
@@ -337,7 +337,7 @@
 
     { # The response for Commit.
   "commitStats": { # Additional statistics about a commit. # The statistics about this Commit. Not returned by default. For more information, see CommitRequest.return_commit_stats.
-    "mutationCount": "A String", # The total number of mutations for the transaction. Knowing the `mutation_count` value can help you maximize the number of mutations in a transaction and minimize the number of API round trips. You can also monitor this value to prevent transactions from exceeding the system [limit](https://cloud.google.com/spanner/quotas#limits_for_creating_reading_updating_and_deleting_data). If the number of mutations exceeds the limit, the server returns [INVALID_ARGUMENT](https://cloud.google.com/spanner/docs/reference/rest/v1/Code#ENUM_VALUES.INVALID_ARGUMENT).
+    "mutationCount": "A String", # The total number of mutations for the transaction. Knowing the `mutation_count` value can help you maximize the number of mutations in a transaction and minimize the number of API round trips. You can also monitor this value to prevent transactions from exceeding the system [limit](http://cloud.google.com/spanner/quotas#limits_for_creating_reading_updating_and_deleting_data). If the number of mutations exceeds the limit, the server returns [INVALID_ARGUMENT](http://cloud.google.com/spanner/docs/reference/rest/v1/Code#ENUM_VALUES.INVALID_ARGUMENT).
   },
   "commitTimestamp": "A String", # The Cloud Spanner timestamp at which the transaction committed.
 }</pre>
@@ -421,14 +421,7 @@
         &quot;a_key&quot;: { # `Type` indicates the type of a Cloud Spanner value, as might be stored in a table cell or returned from an SQL query.
           &quot;arrayElementType&quot;: # Object with schema name: Type # If code == ARRAY, then `array_element_type` is the type of the array elements.
           &quot;code&quot;: &quot;A String&quot;, # Required. The TypeCode for this type.
-          &quot;structType&quot;: { # `StructType` defines the fields of a STRUCT type. # If code == STRUCT, then `struct_type` provides type information for the struct&#x27;s fields.
-            &quot;fields&quot;: [ # The list of fields that make up this struct. Order is significant, because values of this struct type are represented as lists, where the order of field values matches the order of fields in the StructType. In turn, the order of fields matches the order of columns in a read request, or the order of fields in the `SELECT` clause of a query.
-              { # Message representing a single field of a struct.
-                &quot;name&quot;: &quot;A String&quot;, # The name of the field. For reads, this is the column name. For SQL queries, it is the column alias (e.g., `&quot;Word&quot;` in the query `&quot;SELECT &#x27;hello&#x27; AS Word&quot;`), or the column name (e.g., `&quot;ColName&quot;` in the query `&quot;SELECT ColName FROM Table&quot;`). Some columns might have an empty name (e.g., `&quot;SELECT UPPER(ColName)&quot;`). Note that a query result can contain multiple fields with the same name.
-                &quot;type&quot;: # Object with schema name: Type # The type of the field.
-              },
-            ],
-          },
+          &quot;structType&quot;: # Object with schema name: StructType # If code == STRUCT, then `struct_type` provides type information for the struct&#x27;s fields.
         },
       },
       &quot;params&quot;: { # Parameter names and values that bind to placeholders in the DML string. A parameter placeholder consists of the `@` character followed by the parameter name (for example, `@firstName`). Parameter names can contain letters, numbers, and underscores. Parameters can appear anywhere that a literal value is expected. The same parameter name can be used more than once, for example: `&quot;WHERE id &gt; @msg_id AND id &lt; @msg_id + 100&quot;` It is an error to execute a SQL statement with unbound parameters.
@@ -486,7 +479,11 @@
           &quot;fields&quot;: [ # The list of fields that make up this struct. Order is significant, because values of this struct type are represented as lists, where the order of field values matches the order of fields in the StructType. In turn, the order of fields matches the order of columns in a read request, or the order of fields in the `SELECT` clause of a query.
             { # Message representing a single field of a struct.
               &quot;name&quot;: &quot;A String&quot;, # The name of the field. For reads, this is the column name. For SQL queries, it is the column alias (e.g., `&quot;Word&quot;` in the query `&quot;SELECT &#x27;hello&#x27; AS Word&quot;`), or the column name (e.g., `&quot;ColName&quot;` in the query `&quot;SELECT ColName FROM Table&quot;`). Some columns might have an empty name (e.g., `&quot;SELECT UPPER(ColName)&quot;`). Note that a query result can contain multiple fields with the same name.
-              &quot;type&quot;: # Object with schema name: Type # The type of the field.
+              &quot;type&quot;: { # `Type` indicates the type of a Cloud Spanner value, as might be stored in a table cell or returned from an SQL query. # The type of the field.
+                &quot;arrayElementType&quot;: # Object with schema name: Type # If code == ARRAY, then `array_element_type` is the type of the array elements.
+                &quot;code&quot;: &quot;A String&quot;, # Required. The TypeCode for this type.
+                &quot;structType&quot;: # Object with schema name: StructType # If code == STRUCT, then `struct_type` provides type information for the struct&#x27;s fields.
+              },
             },
           ],
         },
@@ -563,14 +560,7 @@
     &quot;a_key&quot;: { # `Type` indicates the type of a Cloud Spanner value, as might be stored in a table cell or returned from an SQL query.
       &quot;arrayElementType&quot;: # Object with schema name: Type # If code == ARRAY, then `array_element_type` is the type of the array elements.
       &quot;code&quot;: &quot;A String&quot;, # Required. The TypeCode for this type.
-      &quot;structType&quot;: { # `StructType` defines the fields of a STRUCT type. # If code == STRUCT, then `struct_type` provides type information for the struct&#x27;s fields.
-        &quot;fields&quot;: [ # The list of fields that make up this struct. Order is significant, because values of this struct type are represented as lists, where the order of field values matches the order of fields in the StructType. In turn, the order of fields matches the order of columns in a read request, or the order of fields in the `SELECT` clause of a query.
-          { # Message representing a single field of a struct.
-            &quot;name&quot;: &quot;A String&quot;, # The name of the field. For reads, this is the column name. For SQL queries, it is the column alias (e.g., `&quot;Word&quot;` in the query `&quot;SELECT &#x27;hello&#x27; AS Word&quot;`), or the column name (e.g., `&quot;ColName&quot;` in the query `&quot;SELECT ColName FROM Table&quot;`). Some columns might have an empty name (e.g., `&quot;SELECT UPPER(ColName)&quot;`). Note that a query result can contain multiple fields with the same name.
-            &quot;type&quot;: # Object with schema name: Type # The type of the field.
-          },
-        ],
-      },
+      &quot;structType&quot;: # Object with schema name: StructType # If code == STRUCT, then `struct_type` provides type information for the struct&#x27;s fields.
     },
   },
   &quot;params&quot;: { # Parameter names and values that bind to placeholders in the SQL string. A parameter placeholder consists of the `@` character followed by the parameter name (for example, `@firstName`). Parameter names must conform to the naming requirements of identifiers as specified at https://cloud.google.com/spanner/docs/lexical#identifiers. Parameters can appear anywhere that a literal value is expected. The same parameter name can be used more than once, for example: `&quot;WHERE id &gt; @msg_id AND id &lt; @msg_id + 100&quot;` It is an error to execute a SQL statement with unbound parameters.
@@ -637,7 +627,11 @@
       &quot;fields&quot;: [ # The list of fields that make up this struct. Order is significant, because values of this struct type are represented as lists, where the order of field values matches the order of fields in the StructType. In turn, the order of fields matches the order of columns in a read request, or the order of fields in the `SELECT` clause of a query.
         { # Message representing a single field of a struct.
           &quot;name&quot;: &quot;A String&quot;, # The name of the field. For reads, this is the column name. For SQL queries, it is the column alias (e.g., `&quot;Word&quot;` in the query `&quot;SELECT &#x27;hello&#x27; AS Word&quot;`), or the column name (e.g., `&quot;ColName&quot;` in the query `&quot;SELECT ColName FROM Table&quot;`). Some columns might have an empty name (e.g., `&quot;SELECT UPPER(ColName)&quot;`). Note that a query result can contain multiple fields with the same name.
-          &quot;type&quot;: # Object with schema name: Type # The type of the field.
+          &quot;type&quot;: { # `Type` indicates the type of a Cloud Spanner value, as might be stored in a table cell or returned from an SQL query. # The type of the field.
+            &quot;arrayElementType&quot;: # Object with schema name: Type # If code == ARRAY, then `array_element_type` is the type of the array elements.
+            &quot;code&quot;: &quot;A String&quot;, # Required. The TypeCode for this type.
+            &quot;structType&quot;: # Object with schema name: StructType # If code == STRUCT, then `struct_type` provides type information for the struct&#x27;s fields.
+          },
         },
       ],
     },
@@ -703,14 +697,7 @@
     &quot;a_key&quot;: { # `Type` indicates the type of a Cloud Spanner value, as might be stored in a table cell or returned from an SQL query.
       &quot;arrayElementType&quot;: # Object with schema name: Type # If code == ARRAY, then `array_element_type` is the type of the array elements.
       &quot;code&quot;: &quot;A String&quot;, # Required. The TypeCode for this type.
-      &quot;structType&quot;: { # `StructType` defines the fields of a STRUCT type. # If code == STRUCT, then `struct_type` provides type information for the struct&#x27;s fields.
-        &quot;fields&quot;: [ # The list of fields that make up this struct. Order is significant, because values of this struct type are represented as lists, where the order of field values matches the order of fields in the StructType. In turn, the order of fields matches the order of columns in a read request, or the order of fields in the `SELECT` clause of a query.
-          { # Message representing a single field of a struct.
-            &quot;name&quot;: &quot;A String&quot;, # The name of the field. For reads, this is the column name. For SQL queries, it is the column alias (e.g., `&quot;Word&quot;` in the query `&quot;SELECT &#x27;hello&#x27; AS Word&quot;`), or the column name (e.g., `&quot;ColName&quot;` in the query `&quot;SELECT ColName FROM Table&quot;`). Some columns might have an empty name (e.g., `&quot;SELECT UPPER(ColName)&quot;`). Note that a query result can contain multiple fields with the same name.
-            &quot;type&quot;: # Object with schema name: Type # The type of the field.
-          },
-        ],
-      },
+      &quot;structType&quot;: # Object with schema name: StructType # If code == STRUCT, then `struct_type` provides type information for the struct&#x27;s fields.
     },
   },
   &quot;params&quot;: { # Parameter names and values that bind to placeholders in the SQL string. A parameter placeholder consists of the `@` character followed by the parameter name (for example, `@firstName`). Parameter names must conform to the naming requirements of identifiers as specified at https://cloud.google.com/spanner/docs/lexical#identifiers. Parameters can appear anywhere that a literal value is expected. The same parameter name can be used more than once, for example: `&quot;WHERE id &gt; @msg_id AND id &lt; @msg_id + 100&quot;` It is an error to execute a SQL statement with unbound parameters.
@@ -778,7 +765,11 @@
       &quot;fields&quot;: [ # The list of fields that make up this struct. Order is significant, because values of this struct type are represented as lists, where the order of field values matches the order of fields in the StructType. In turn, the order of fields matches the order of columns in a read request, or the order of fields in the `SELECT` clause of a query.
         { # Message representing a single field of a struct.
           &quot;name&quot;: &quot;A String&quot;, # The name of the field. For reads, this is the column name. For SQL queries, it is the column alias (e.g., `&quot;Word&quot;` in the query `&quot;SELECT &#x27;hello&#x27; AS Word&quot;`), or the column name (e.g., `&quot;ColName&quot;` in the query `&quot;SELECT ColName FROM Table&quot;`). Some columns might have an empty name (e.g., `&quot;SELECT UPPER(ColName)&quot;`). Note that a query result can contain multiple fields with the same name.
-          &quot;type&quot;: # Object with schema name: Type # The type of the field.
+          &quot;type&quot;: { # `Type` indicates the type of a Cloud Spanner value, as might be stored in a table cell or returned from an SQL query. # The type of the field.
+            &quot;arrayElementType&quot;: # Object with schema name: Type # If code == ARRAY, then `array_element_type` is the type of the array elements.
+            &quot;code&quot;: &quot;A String&quot;, # Required. The TypeCode for this type.
+            &quot;structType&quot;: # Object with schema name: StructType # If code == STRUCT, then `struct_type` provides type information for the struct&#x27;s fields.
+          },
         },
       ],
     },
@@ -913,14 +904,7 @@
     &quot;a_key&quot;: { # `Type` indicates the type of a Cloud Spanner value, as might be stored in a table cell or returned from an SQL query.
       &quot;arrayElementType&quot;: # Object with schema name: Type # If code == ARRAY, then `array_element_type` is the type of the array elements.
       &quot;code&quot;: &quot;A String&quot;, # Required. The TypeCode for this type.
-      &quot;structType&quot;: { # `StructType` defines the fields of a STRUCT type. # If code == STRUCT, then `struct_type` provides type information for the struct&#x27;s fields.
-        &quot;fields&quot;: [ # The list of fields that make up this struct. Order is significant, because values of this struct type are represented as lists, where the order of field values matches the order of fields in the StructType. In turn, the order of fields matches the order of columns in a read request, or the order of fields in the `SELECT` clause of a query.
-          { # Message representing a single field of a struct.
-            &quot;name&quot;: &quot;A String&quot;, # The name of the field. For reads, this is the column name. For SQL queries, it is the column alias (e.g., `&quot;Word&quot;` in the query `&quot;SELECT &#x27;hello&#x27; AS Word&quot;`), or the column name (e.g., `&quot;ColName&quot;` in the query `&quot;SELECT ColName FROM Table&quot;`). Some columns might have an empty name (e.g., `&quot;SELECT UPPER(ColName)&quot;`). Note that a query result can contain multiple fields with the same name.
-            &quot;type&quot;: # Object with schema name: Type # The type of the field.
-          },
-        ],
-      },
+      &quot;structType&quot;: # Object with schema name: StructType # If code == STRUCT, then `struct_type` provides type information for the struct&#x27;s fields.
     },
   },
   &quot;params&quot;: { # Parameter names and values that bind to placeholders in the SQL string. A parameter placeholder consists of the `@` character followed by the parameter name (for example, `@firstName`). Parameter names can contain letters, numbers, and underscores. Parameters can appear anywhere that a literal value is expected. The same parameter name can be used more than once, for example: `&quot;WHERE id &gt; @msg_id AND id &lt; @msg_id + 100&quot;` It is an error to execute a SQL statement with unbound parameters.
@@ -1176,7 +1160,11 @@
       &quot;fields&quot;: [ # The list of fields that make up this struct. Order is significant, because values of this struct type are represented as lists, where the order of field values matches the order of fields in the StructType. In turn, the order of fields matches the order of columns in a read request, or the order of fields in the `SELECT` clause of a query.
         { # Message representing a single field of a struct.
           &quot;name&quot;: &quot;A String&quot;, # The name of the field. For reads, this is the column name. For SQL queries, it is the column alias (e.g., `&quot;Word&quot;` in the query `&quot;SELECT &#x27;hello&#x27; AS Word&quot;`), or the column name (e.g., `&quot;ColName&quot;` in the query `&quot;SELECT ColName FROM Table&quot;`). Some columns might have an empty name (e.g., `&quot;SELECT UPPER(ColName)&quot;`). Note that a query result can contain multiple fields with the same name.
-          &quot;type&quot;: # Object with schema name: Type # The type of the field.
+          &quot;type&quot;: { # `Type` indicates the type of a Cloud Spanner value, as might be stored in a table cell or returned from an SQL query. # The type of the field.
+            &quot;arrayElementType&quot;: # Object with schema name: Type # If code == ARRAY, then `array_element_type` is the type of the array elements.
+            &quot;code&quot;: &quot;A String&quot;, # Required. The TypeCode for this type.
+            &quot;structType&quot;: # Object with schema name: StructType # If code == STRUCT, then `struct_type` provides type information for the struct&#x27;s fields.
+          },
         },
       ],
     },
@@ -1348,7 +1336,11 @@
       &quot;fields&quot;: [ # The list of fields that make up this struct. Order is significant, because values of this struct type are represented as lists, where the order of field values matches the order of fields in the StructType. In turn, the order of fields matches the order of columns in a read request, or the order of fields in the `SELECT` clause of a query.
         { # Message representing a single field of a struct.
           &quot;name&quot;: &quot;A String&quot;, # The name of the field. For reads, this is the column name. For SQL queries, it is the column alias (e.g., `&quot;Word&quot;` in the query `&quot;SELECT &#x27;hello&#x27; AS Word&quot;`), or the column name (e.g., `&quot;ColName&quot;` in the query `&quot;SELECT ColName FROM Table&quot;`). Some columns might have an empty name (e.g., `&quot;SELECT UPPER(ColName)&quot;`). Note that a query result can contain multiple fields with the same name.
-          &quot;type&quot;: # Object with schema name: Type # The type of the field.
+          &quot;type&quot;: { # `Type` indicates the type of a Cloud Spanner value, as might be stored in a table cell or returned from an SQL query. # The type of the field.
+            &quot;arrayElementType&quot;: # Object with schema name: Type # If code == ARRAY, then `array_element_type` is the type of the array elements.
+            &quot;code&quot;: &quot;A String&quot;, # Required. The TypeCode for this type.
+            &quot;structType&quot;: # Object with schema name: StructType # If code == STRUCT, then `struct_type` provides type information for the struct&#x27;s fields.
+          },
         },
       ],
     },