chore: regens API reference docs (#889)

diff --git a/docs/dyn/runtimeconfig_v1beta1.projects.configs.waiters.html b/docs/dyn/runtimeconfig_v1beta1.projects.configs.waiters.html
index 103ba2d..1bafb6c 100644
--- a/docs/dyn/runtimeconfig_v1beta1.projects.configs.waiters.html
+++ b/docs/dyn/runtimeconfig_v1beta1.projects.configs.waiters.html
@@ -75,7 +75,7 @@
 <h1><a href="runtimeconfig_v1beta1.html">Cloud Runtime Configuration API</a> . <a href="runtimeconfig_v1beta1.projects.html">projects</a> . <a href="runtimeconfig_v1beta1.projects.configs.html">configs</a> . <a href="runtimeconfig_v1beta1.projects.configs.waiters.html">waiters</a></h1>
 <h2>Instance Methods</h2>
 <p class="toc_element">
-  <code><a href="#create">create(parent, body, requestId=None, x__xgafv=None)</a></code></p>
+  <code><a href="#create">create(parent, body=None, requestId=None, x__xgafv=None)</a></code></p>
 <p class="firstline">Creates a Waiter resource. This operation returns a long-running Operation</p>
 <p class="toc_element">
   <code><a href="#delete">delete(name, x__xgafv=None)</a></code></p>
@@ -90,11 +90,11 @@
   <code><a href="#list_next">list_next(previous_request, previous_response)</a></code></p>
 <p class="firstline">Retrieves the next page of results.</p>
 <p class="toc_element">
-  <code><a href="#testIamPermissions">testIamPermissions(resource, body, x__xgafv=None)</a></code></p>
+  <code><a href="#testIamPermissions">testIamPermissions(resource, body=None, x__xgafv=None)</a></code></p>
 <p class="firstline">Returns permissions that a caller has on the specified resource.</p>
 <h3>Method Details</h3>
 <div class="method">
-    <code class="details" id="create">create(parent, body, requestId=None, x__xgafv=None)</code>
+    <code class="details" id="create">create(parent, body=None, requestId=None, x__xgafv=None)</code>
   <pre>Creates a Waiter resource. This operation returns a long-running Operation
 resource which can be polled for completion. However, a waiter with the
 given name will exist (and can be retrieved) prior to the operation
@@ -106,34 +106,248 @@
 The configuration must exist beforehand; the path must be in the format:
 
 `projects/[PROJECT_ID]/configs/[CONFIG_NAME]`. (required)
-  body: object, The request body. (required)
+  body: object, The request body.
     The object takes the form of:
 
 { # A Waiter resource waits for some end condition within a RuntimeConfig
+    # resource to be met before it returns. For example, assume you have a
+    # distributed system where each node writes to a Variable resource indicating
+    # the node's readiness as part of the startup process.
+    # 
+    # You then configure a Waiter resource with the success condition set to wait
+    # until some number of nodes have checked in. Afterwards, your application
+    # runs some arbitrary code after the condition has been met and the waiter
+    # returns successfully.
+    # 
+    # Once created, a Waiter resource is immutable.
+    # 
+    # To learn more about using waiters, read the
+    # [Creating a
+    # Waiter](/deployment-manager/runtime-configurator/creating-a-waiter)
+    # documentation.
+  "name": "A String", # The name of the Waiter resource, in the format:
+      # 
+      #     projects/[PROJECT_ID]/configs/[CONFIG_NAME]/waiters/[WAITER_NAME]
+      # 
+      # The `[PROJECT_ID]` must be a valid Google Cloud project ID,
+      # the `[CONFIG_NAME]` must be a valid RuntimeConfig resource, the
+      # `[WAITER_NAME]` must match RFC 1035 segment specification, and the length
+      # of `[WAITER_NAME]` must be less than 64 bytes.
+      # 
+      # After you create a Waiter resource, you cannot change the resource name.
+  "success": { # The condition that a Waiter resource is waiting for. # [Required] The success condition. If this condition is met, `done` will be
+      # set to `true` and the `error` value will remain unset. The failure
+      # condition takes precedence over the success condition. If both conditions
+      # are met, a failure will be indicated.
+    "cardinality": { # A Cardinality condition for the Waiter resource. A cardinality condition is # The cardinality of the `EndCondition`.
+        # met when the number of variables under a specified path prefix reaches a
+        # predefined number. For example, if you set a Cardinality condition where
+        # the `path` is set to `/foo` and the number of paths is set to `2`, the
+        # following variables would meet the condition in a RuntimeConfig resource:
+        #
+        # + `/foo/variable1 = "value1"`
+        # + `/foo/variable2 = "value2"`
+        # + `/bar/variable3 = "value3"`
+        #
+        # It would not satisfy the same condition with the `number` set to
+        # `3`, however, because there is only 2 paths that start with `/foo`.
+        # Cardinality conditions are recursive; all subtrees under the specific
+        # path prefix are counted.
+      "path": "A String", # The root of the variable subtree to monitor. For example, `/foo`.
+      "number": 42, # The number variables under the `path` that must exist to meet this
+          # condition. Defaults to 1 if not specified.
+    },
+  },
+  "failure": { # The condition that a Waiter resource is waiting for. # [Optional] The failure condition of this waiter. If this condition is met,
+      # `done` will be set to `true` and the `error` code will be set to `ABORTED`.
+      # The failure condition takes precedence over the success condition. If both
+      # conditions are met, a failure will be indicated. This value is optional; if
+      # no failure condition is set, the only failure scenario will be a timeout.
+    "cardinality": { # A Cardinality condition for the Waiter resource. A cardinality condition is # The cardinality of the `EndCondition`.
+        # met when the number of variables under a specified path prefix reaches a
+        # predefined number. For example, if you set a Cardinality condition where
+        # the `path` is set to `/foo` and the number of paths is set to `2`, the
+        # following variables would meet the condition in a RuntimeConfig resource:
+        #
+        # + `/foo/variable1 = "value1"`
+        # + `/foo/variable2 = "value2"`
+        # + `/bar/variable3 = "value3"`
+        #
+        # It would not satisfy the same condition with the `number` set to
+        # `3`, however, because there is only 2 paths that start with `/foo`.
+        # Cardinality conditions are recursive; all subtrees under the specific
+        # path prefix are counted.
+      "path": "A String", # The root of the variable subtree to monitor. For example, `/foo`.
+      "number": 42, # The number variables under the `path` that must exist to meet this
+          # condition. Defaults to 1 if not specified.
+    },
+  },
+  "done": True or False, # Output only. If the value is `false`, it means the waiter is still waiting
+      # for one of its conditions to be met.
+      # 
+      # If true, the waiter has finished. If the waiter finished due to a timeout
+      # or failure, `error` will be set.
+  "timeout": "A String", # [Required] Specifies the timeout of the waiter in seconds, beginning from
+      # the instant that `waiters().create` method is called. If this time elapses
+      # before the success or failure conditions are met, the waiter fails and sets
+      # the `error` code to `DEADLINE_EXCEEDED`.
+  "error": { # The `Status` type defines a logical error model that is suitable for # Output only. If the waiter ended due to a failure or timeout, this value
+      # will be set.
+      # different programming environments, including REST APIs and RPC APIs. It is
+      # used by [gRPC](https://github.com/grpc). Each `Status` message contains
+      # three pieces of data: error code, error message, and error details.
+      #
+      # You can find out more about this error model and how to work with it in the
+      # [API Design Guide](https://cloud.google.com/apis/design/errors).
+    "message": "A String", # A developer-facing error message, which should be in English. Any
+        # user-facing error message should be localized and sent in the
+        # google.rpc.Status.details field, or localized by the client.
+    "code": 42, # The status code, which should be an enum value of google.rpc.Code.
+    "details": [ # A list of messages that carry the error details.  There is a common set of
+        # message types for APIs to use.
+      {
+        "a_key": "", # Properties of the object. Contains field @type with type URL.
+      },
+    ],
+  },
+  "createTime": "A String", # Output only. The instant at which this Waiter resource was created. Adding
+      # the value of `timeout` to this instant yields the timeout deadline for the
+      # waiter.
+}
+
+  requestId: string, An optional but recommended unique `request_id`. If the server
+receives two `create()` requests  with the same
+`request_id`, then the second request will be ignored and the
+first resource created and stored in the backend is returned.
+Empty `request_id` fields are ignored.
+
+It is responsibility of the client to ensure uniqueness of the
+`request_id` strings.
+
+`request_id` strings are limited to 64 characters.
+  x__xgafv: string, V1 error format.
+    Allowed values
+      1 - v1 error format
+      2 - v2 error format
+
+Returns:
+  An object of the form:
+
+    { # This resource represents a long-running operation that is the result of a
+      # network API call.
+    "metadata": { # Service-specific metadata associated with the operation.  It typically
+        # contains progress information and common metadata such as create time.
+        # Some services might not provide such metadata.  Any method that returns a
+        # long-running operation should document the metadata type, if any.
+      "a_key": "", # Properties of the object. Contains field @type with type URL.
+    },
+    "error": { # The `Status` type defines a logical error model that is suitable for # The error result of the operation in case of failure or cancellation.
+        # different programming environments, including REST APIs and RPC APIs. It is
+        # used by [gRPC](https://github.com/grpc). Each `Status` message contains
+        # three pieces of data: error code, error message, and error details.
+        #
+        # You can find out more about this error model and how to work with it in the
+        # [API Design Guide](https://cloud.google.com/apis/design/errors).
+      "message": "A String", # A developer-facing error message, which should be in English. Any
+          # user-facing error message should be localized and sent in the
+          # google.rpc.Status.details field, or localized by the client.
+      "code": 42, # The status code, which should be an enum value of google.rpc.Code.
+      "details": [ # A list of messages that carry the error details.  There is a common set of
+          # message types for APIs to use.
+        {
+          "a_key": "", # Properties of the object. Contains field @type with type URL.
+        },
+      ],
+    },
+    "done": True or False, # If the value is `false`, it means the operation is still in progress.
+        # If `true`, the operation is completed, and either `error` or `response` is
+        # available.
+    "response": { # The normal response of the operation in case of success.  If the original
+        # method returns no data on success, such as `Delete`, the response is
+        # `google.protobuf.Empty`.  If the original method is standard
+        # `Get`/`Create`/`Update`, the response should be the resource.  For other
+        # methods, the response should have the type `XxxResponse`, where `Xxx`
+        # is the original method name.  For example, if the original method name
+        # is `TakeSnapshot()`, the inferred response type is
+        # `TakeSnapshotResponse`.
+      "a_key": "", # Properties of the object. Contains field @type with type URL.
+    },
+    "name": "A String", # The server-assigned name, which is only unique within the same service that
+        # originally returns it. If you use the default HTTP mapping, the
+        # `name` should be a resource name ending with `operations/{unique_id}`.
+  }</pre>
+</div>
+
+<div class="method">
+    <code class="details" id="delete">delete(name, x__xgafv=None)</code>
+  <pre>Deletes the waiter with the specified name.
+
+Args:
+  name: string, The Waiter resource to delete, in the format:
+
+ `projects/[PROJECT_ID]/configs/[CONFIG_NAME]/waiters/[WAITER_NAME]` (required)
+  x__xgafv: string, V1 error format.
+    Allowed values
+      1 - v1 error format
+      2 - v2 error format
+
+Returns:
+  An object of the form:
+
+    { # A generic empty message that you can re-use to avoid defining duplicated
+      # empty messages in your APIs. A typical example is to use it as the request
+      # or the response type of an API method. For instance:
+      #
+      #     service Foo {
+      #       rpc Bar(google.protobuf.Empty) returns (google.protobuf.Empty);
+      #     }
+      #
+      # The JSON representation for `Empty` is empty JSON object `{}`.
+  }</pre>
+</div>
+
+<div class="method">
+    <code class="details" id="get">get(name, x__xgafv=None)</code>
+  <pre>Gets information about a single waiter.
+
+Args:
+  name: string, The fully-qualified name of the Waiter resource object to retrieve, in the
+format:
+
+`projects/[PROJECT_ID]/configs/[CONFIG_NAME]/waiters/[WAITER_NAME]` (required)
+  x__xgafv: string, V1 error format.
+    Allowed values
+      1 - v1 error format
+      2 - v2 error format
+
+Returns:
+  An object of the form:
+
+    { # A Waiter resource waits for some end condition within a RuntimeConfig
       # resource to be met before it returns. For example, assume you have a
       # distributed system where each node writes to a Variable resource indicating
       # the node's readiness as part of the startup process.
-      # 
+      #
       # You then configure a Waiter resource with the success condition set to wait
       # until some number of nodes have checked in. Afterwards, your application
       # runs some arbitrary code after the condition has been met and the waiter
       # returns successfully.
-      # 
+      #
       # Once created, a Waiter resource is immutable.
-      # 
+      #
       # To learn more about using waiters, read the
       # [Creating a
       # Waiter](/deployment-manager/runtime-configurator/creating-a-waiter)
       # documentation.
     "name": "A String", # The name of the Waiter resource, in the format:
-        # 
+        #
         #     projects/[PROJECT_ID]/configs/[CONFIG_NAME]/waiters/[WAITER_NAME]
-        # 
+        #
         # The `[PROJECT_ID]` must be a valid Google Cloud project ID,
         # the `[CONFIG_NAME]` must be a valid RuntimeConfig resource, the
         # `[WAITER_NAME]` must match RFC 1035 segment specification, and the length
         # of `[WAITER_NAME]` must be less than 64 bytes.
-        # 
+        #
         # After you create a Waiter resource, you cannot change the resource name.
     "success": { # The condition that a Waiter resource is waiting for. # [Required] The success condition. If this condition is met, `done` will be
         # set to `true` and the `error` value will remain unset. The failure
@@ -184,7 +398,7 @@
     },
     "done": True or False, # Output only. If the value is `false`, it means the waiter is still waiting
         # for one of its conditions to be met.
-        # 
+        #
         # If true, the waiter has finished. If the waiter finished due to a timeout
         # or failure, `error` will be set.
     "timeout": "A String", # [Required] Specifies the timeout of the waiter in seconds, beginning from
@@ -213,224 +427,10 @@
     "createTime": "A String", # Output only. The instant at which this Waiter resource was created. Adding
         # the value of `timeout` to this instant yields the timeout deadline for the
         # waiter.
-  }
-
-  requestId: string, An optional but recommended unique `request_id`. If the server
-receives two `create()` requests  with the same
-`request_id`, then the second request will be ignored and the
-first resource created and stored in the backend is returned.
-Empty `request_id` fields are ignored.
-
-It is responsibility of the client to ensure uniqueness of the
-`request_id` strings.
-
-`request_id` strings are limited to 64 characters.
-  x__xgafv: string, V1 error format.
-    Allowed values
-      1 - v1 error format
-      2 - v2 error format
-
-Returns:
-  An object of the form:
-
-    { # This resource represents a long-running operation that is the result of a
-      # network API call.
-    "response": { # The normal response of the operation in case of success.  If the original
-        # method returns no data on success, such as `Delete`, the response is
-        # `google.protobuf.Empty`.  If the original method is standard
-        # `Get`/`Create`/`Update`, the response should be the resource.  For other
-        # methods, the response should have the type `XxxResponse`, where `Xxx`
-        # is the original method name.  For example, if the original method name
-        # is `TakeSnapshot()`, the inferred response type is
-        # `TakeSnapshotResponse`.
-      "a_key": "", # Properties of the object. Contains field @type with type URL.
-    },
-    "metadata": { # Service-specific metadata associated with the operation.  It typically
-        # contains progress information and common metadata such as create time.
-        # Some services might not provide such metadata.  Any method that returns a
-        # long-running operation should document the metadata type, if any.
-      "a_key": "", # Properties of the object. Contains field @type with type URL.
-    },
-    "done": True or False, # If the value is `false`, it means the operation is still in progress.
-        # If `true`, the operation is completed, and either `error` or `response` is
-        # available.
-    "name": "A String", # The server-assigned name, which is only unique within the same service that
-        # originally returns it. If you use the default HTTP mapping, the
-        # `name` should be a resource name ending with `operations/{unique_id}`.
-    "error": { # The `Status` type defines a logical error model that is suitable for # The error result of the operation in case of failure or cancellation.
-        # different programming environments, including REST APIs and RPC APIs. It is
-        # used by [gRPC](https://github.com/grpc). Each `Status` message contains
-        # three pieces of data: error code, error message, and error details.
-        #
-        # You can find out more about this error model and how to work with it in the
-        # [API Design Guide](https://cloud.google.com/apis/design/errors).
-      "message": "A String", # A developer-facing error message, which should be in English. Any
-          # user-facing error message should be localized and sent in the
-          # google.rpc.Status.details field, or localized by the client.
-      "code": 42, # The status code, which should be an enum value of google.rpc.Code.
-      "details": [ # A list of messages that carry the error details.  There is a common set of
-          # message types for APIs to use.
-        {
-          "a_key": "", # Properties of the object. Contains field @type with type URL.
-        },
-      ],
-    },
   }</pre>
 </div>
 
 <div class="method">
-    <code class="details" id="delete">delete(name, x__xgafv=None)</code>
-  <pre>Deletes the waiter with the specified name.
-
-Args:
-  name: string, The Waiter resource to delete, in the format:
-
- `projects/[PROJECT_ID]/configs/[CONFIG_NAME]/waiters/[WAITER_NAME]` (required)
-  x__xgafv: string, V1 error format.
-    Allowed values
-      1 - v1 error format
-      2 - v2 error format
-
-Returns:
-  An object of the form:
-
-    { # A generic empty message that you can re-use to avoid defining duplicated
-      # empty messages in your APIs. A typical example is to use it as the request
-      # or the response type of an API method. For instance:
-      #
-      #     service Foo {
-      #       rpc Bar(google.protobuf.Empty) returns (google.protobuf.Empty);
-      #     }
-      #
-      # The JSON representation for `Empty` is empty JSON object `{}`.
-  }</pre>
-</div>
-
-<div class="method">
-    <code class="details" id="get">get(name, x__xgafv=None)</code>
-  <pre>Gets information about a single waiter.
-
-Args:
-  name: string, The fully-qualified name of the Waiter resource object to retrieve, in the
-format:
-
-`projects/[PROJECT_ID]/configs/[CONFIG_NAME]/waiters/[WAITER_NAME]` (required)
-  x__xgafv: string, V1 error format.
-    Allowed values
-      1 - v1 error format
-      2 - v2 error format
-
-Returns:
-  An object of the form:
-
-    { # A Waiter resource waits for some end condition within a RuntimeConfig
-        # resource to be met before it returns. For example, assume you have a
-        # distributed system where each node writes to a Variable resource indicating
-        # the node's readiness as part of the startup process.
-        #
-        # You then configure a Waiter resource with the success condition set to wait
-        # until some number of nodes have checked in. Afterwards, your application
-        # runs some arbitrary code after the condition has been met and the waiter
-        # returns successfully.
-        #
-        # Once created, a Waiter resource is immutable.
-        #
-        # To learn more about using waiters, read the
-        # [Creating a
-        # Waiter](/deployment-manager/runtime-configurator/creating-a-waiter)
-        # documentation.
-      "name": "A String", # The name of the Waiter resource, in the format:
-          #
-          #     projects/[PROJECT_ID]/configs/[CONFIG_NAME]/waiters/[WAITER_NAME]
-          #
-          # The `[PROJECT_ID]` must be a valid Google Cloud project ID,
-          # the `[CONFIG_NAME]` must be a valid RuntimeConfig resource, the
-          # `[WAITER_NAME]` must match RFC 1035 segment specification, and the length
-          # of `[WAITER_NAME]` must be less than 64 bytes.
-          #
-          # After you create a Waiter resource, you cannot change the resource name.
-      "success": { # The condition that a Waiter resource is waiting for. # [Required] The success condition. If this condition is met, `done` will be
-          # set to `true` and the `error` value will remain unset. The failure
-          # condition takes precedence over the success condition. If both conditions
-          # are met, a failure will be indicated.
-        "cardinality": { # A Cardinality condition for the Waiter resource. A cardinality condition is # The cardinality of the `EndCondition`.
-            # met when the number of variables under a specified path prefix reaches a
-            # predefined number. For example, if you set a Cardinality condition where
-            # the `path` is set to `/foo` and the number of paths is set to `2`, the
-            # following variables would meet the condition in a RuntimeConfig resource:
-            #
-            # + `/foo/variable1 = "value1"`
-            # + `/foo/variable2 = "value2"`
-            # + `/bar/variable3 = "value3"`
-            #
-            # It would not satisfy the same condition with the `number` set to
-            # `3`, however, because there is only 2 paths that start with `/foo`.
-            # Cardinality conditions are recursive; all subtrees under the specific
-            # path prefix are counted.
-          "path": "A String", # The root of the variable subtree to monitor. For example, `/foo`.
-          "number": 42, # The number variables under the `path` that must exist to meet this
-              # condition. Defaults to 1 if not specified.
-        },
-      },
-      "failure": { # The condition that a Waiter resource is waiting for. # [Optional] The failure condition of this waiter. If this condition is met,
-          # `done` will be set to `true` and the `error` code will be set to `ABORTED`.
-          # The failure condition takes precedence over the success condition. If both
-          # conditions are met, a failure will be indicated. This value is optional; if
-          # no failure condition is set, the only failure scenario will be a timeout.
-        "cardinality": { # A Cardinality condition for the Waiter resource. A cardinality condition is # The cardinality of the `EndCondition`.
-            # met when the number of variables under a specified path prefix reaches a
-            # predefined number. For example, if you set a Cardinality condition where
-            # the `path` is set to `/foo` and the number of paths is set to `2`, the
-            # following variables would meet the condition in a RuntimeConfig resource:
-            #
-            # + `/foo/variable1 = "value1"`
-            # + `/foo/variable2 = "value2"`
-            # + `/bar/variable3 = "value3"`
-            #
-            # It would not satisfy the same condition with the `number` set to
-            # `3`, however, because there is only 2 paths that start with `/foo`.
-            # Cardinality conditions are recursive; all subtrees under the specific
-            # path prefix are counted.
-          "path": "A String", # The root of the variable subtree to monitor. For example, `/foo`.
-          "number": 42, # The number variables under the `path` that must exist to meet this
-              # condition. Defaults to 1 if not specified.
-        },
-      },
-      "done": True or False, # Output only. If the value is `false`, it means the waiter is still waiting
-          # for one of its conditions to be met.
-          #
-          # If true, the waiter has finished. If the waiter finished due to a timeout
-          # or failure, `error` will be set.
-      "timeout": "A String", # [Required] Specifies the timeout of the waiter in seconds, beginning from
-          # the instant that `waiters().create` method is called. If this time elapses
-          # before the success or failure conditions are met, the waiter fails and sets
-          # the `error` code to `DEADLINE_EXCEEDED`.
-      "error": { # The `Status` type defines a logical error model that is suitable for # Output only. If the waiter ended due to a failure or timeout, this value
-          # will be set.
-          # different programming environments, including REST APIs and RPC APIs. It is
-          # used by [gRPC](https://github.com/grpc). Each `Status` message contains
-          # three pieces of data: error code, error message, and error details.
-          #
-          # You can find out more about this error model and how to work with it in the
-          # [API Design Guide](https://cloud.google.com/apis/design/errors).
-        "message": "A String", # A developer-facing error message, which should be in English. Any
-            # user-facing error message should be localized and sent in the
-            # google.rpc.Status.details field, or localized by the client.
-        "code": 42, # The status code, which should be an enum value of google.rpc.Code.
-        "details": [ # A list of messages that carry the error details.  There is a common set of
-            # message types for APIs to use.
-          {
-            "a_key": "", # Properties of the object. Contains field @type with type URL.
-          },
-        ],
-      },
-      "createTime": "A String", # Output only. The instant at which this Waiter resource was created. Adding
-          # the value of `timeout` to this instant yields the timeout deadline for the
-          # waiter.
-    }</pre>
-</div>
-
-<div class="method">
     <code class="details" id="list">list(parent, pageToken=None, x__xgafv=None, pageSize=None)</code>
   <pre>List waiters within the given configuration.
 
@@ -460,110 +460,110 @@
         # paging through the results
     "waiters": [ # Found waiters in the project.
       { # A Waiter resource waits for some end condition within a RuntimeConfig
-            # resource to be met before it returns. For example, assume you have a
-            # distributed system where each node writes to a Variable resource indicating
-            # the node's readiness as part of the startup process.
+          # resource to be met before it returns. For example, assume you have a
+          # distributed system where each node writes to a Variable resource indicating
+          # the node's readiness as part of the startup process.
+          #
+          # You then configure a Waiter resource with the success condition set to wait
+          # until some number of nodes have checked in. Afterwards, your application
+          # runs some arbitrary code after the condition has been met and the waiter
+          # returns successfully.
+          #
+          # Once created, a Waiter resource is immutable.
+          #
+          # To learn more about using waiters, read the
+          # [Creating a
+          # Waiter](/deployment-manager/runtime-configurator/creating-a-waiter)
+          # documentation.
+        "name": "A String", # The name of the Waiter resource, in the format:
             #
-            # You then configure a Waiter resource with the success condition set to wait
-            # until some number of nodes have checked in. Afterwards, your application
-            # runs some arbitrary code after the condition has been met and the waiter
-            # returns successfully.
+            #     projects/[PROJECT_ID]/configs/[CONFIG_NAME]/waiters/[WAITER_NAME]
             #
-            # Once created, a Waiter resource is immutable.
+            # The `[PROJECT_ID]` must be a valid Google Cloud project ID,
+            # the `[CONFIG_NAME]` must be a valid RuntimeConfig resource, the
+            # `[WAITER_NAME]` must match RFC 1035 segment specification, and the length
+            # of `[WAITER_NAME]` must be less than 64 bytes.
             #
-            # To learn more about using waiters, read the
-            # [Creating a
-            # Waiter](/deployment-manager/runtime-configurator/creating-a-waiter)
-            # documentation.
-          "name": "A String", # The name of the Waiter resource, in the format:
+            # After you create a Waiter resource, you cannot change the resource name.
+        "success": { # The condition that a Waiter resource is waiting for. # [Required] The success condition. If this condition is met, `done` will be
+            # set to `true` and the `error` value will remain unset. The failure
+            # condition takes precedence over the success condition. If both conditions
+            # are met, a failure will be indicated.
+          "cardinality": { # A Cardinality condition for the Waiter resource. A cardinality condition is # The cardinality of the `EndCondition`.
+              # met when the number of variables under a specified path prefix reaches a
+              # predefined number. For example, if you set a Cardinality condition where
+              # the `path` is set to `/foo` and the number of paths is set to `2`, the
+              # following variables would meet the condition in a RuntimeConfig resource:
               #
-              #     projects/[PROJECT_ID]/configs/[CONFIG_NAME]/waiters/[WAITER_NAME]
+              # + `/foo/variable1 = "value1"`
+              # + `/foo/variable2 = "value2"`
+              # + `/bar/variable3 = "value3"`
               #
-              # The `[PROJECT_ID]` must be a valid Google Cloud project ID,
-              # the `[CONFIG_NAME]` must be a valid RuntimeConfig resource, the
-              # `[WAITER_NAME]` must match RFC 1035 segment specification, and the length
-              # of `[WAITER_NAME]` must be less than 64 bytes.
-              #
-              # After you create a Waiter resource, you cannot change the resource name.
-          "success": { # The condition that a Waiter resource is waiting for. # [Required] The success condition. If this condition is met, `done` will be
-              # set to `true` and the `error` value will remain unset. The failure
-              # condition takes precedence over the success condition. If both conditions
-              # are met, a failure will be indicated.
-            "cardinality": { # A Cardinality condition for the Waiter resource. A cardinality condition is # The cardinality of the `EndCondition`.
-                # met when the number of variables under a specified path prefix reaches a
-                # predefined number. For example, if you set a Cardinality condition where
-                # the `path` is set to `/foo` and the number of paths is set to `2`, the
-                # following variables would meet the condition in a RuntimeConfig resource:
-                #
-                # + `/foo/variable1 = "value1"`
-                # + `/foo/variable2 = "value2"`
-                # + `/bar/variable3 = "value3"`
-                #
-                # It would not satisfy the same condition with the `number` set to
-                # `3`, however, because there is only 2 paths that start with `/foo`.
-                # Cardinality conditions are recursive; all subtrees under the specific
-                # path prefix are counted.
-              "path": "A String", # The root of the variable subtree to monitor. For example, `/foo`.
-              "number": 42, # The number variables under the `path` that must exist to meet this
-                  # condition. Defaults to 1 if not specified.
-            },
+              # It would not satisfy the same condition with the `number` set to
+              # `3`, however, because there is only 2 paths that start with `/foo`.
+              # Cardinality conditions are recursive; all subtrees under the specific
+              # path prefix are counted.
+            "path": "A String", # The root of the variable subtree to monitor. For example, `/foo`.
+            "number": 42, # The number variables under the `path` that must exist to meet this
+                # condition. Defaults to 1 if not specified.
           },
-          "failure": { # The condition that a Waiter resource is waiting for. # [Optional] The failure condition of this waiter. If this condition is met,
-              # `done` will be set to `true` and the `error` code will be set to `ABORTED`.
-              # The failure condition takes precedence over the success condition. If both
-              # conditions are met, a failure will be indicated. This value is optional; if
-              # no failure condition is set, the only failure scenario will be a timeout.
-            "cardinality": { # A Cardinality condition for the Waiter resource. A cardinality condition is # The cardinality of the `EndCondition`.
-                # met when the number of variables under a specified path prefix reaches a
-                # predefined number. For example, if you set a Cardinality condition where
-                # the `path` is set to `/foo` and the number of paths is set to `2`, the
-                # following variables would meet the condition in a RuntimeConfig resource:
-                #
-                # + `/foo/variable1 = "value1"`
-                # + `/foo/variable2 = "value2"`
-                # + `/bar/variable3 = "value3"`
-                #
-                # It would not satisfy the same condition with the `number` set to
-                # `3`, however, because there is only 2 paths that start with `/foo`.
-                # Cardinality conditions are recursive; all subtrees under the specific
-                # path prefix are counted.
-              "path": "A String", # The root of the variable subtree to monitor. For example, `/foo`.
-              "number": 42, # The number variables under the `path` that must exist to meet this
-                  # condition. Defaults to 1 if not specified.
-            },
-          },
-          "done": True or False, # Output only. If the value is `false`, it means the waiter is still waiting
-              # for one of its conditions to be met.
-              #
-              # If true, the waiter has finished. If the waiter finished due to a timeout
-              # or failure, `error` will be set.
-          "timeout": "A String", # [Required] Specifies the timeout of the waiter in seconds, beginning from
-              # the instant that `waiters().create` method is called. If this time elapses
-              # before the success or failure conditions are met, the waiter fails and sets
-              # the `error` code to `DEADLINE_EXCEEDED`.
-          "error": { # The `Status` type defines a logical error model that is suitable for # Output only. If the waiter ended due to a failure or timeout, this value
-              # will be set.
-              # different programming environments, including REST APIs and RPC APIs. It is
-              # used by [gRPC](https://github.com/grpc). Each `Status` message contains
-              # three pieces of data: error code, error message, and error details.
-              #
-              # You can find out more about this error model and how to work with it in the
-              # [API Design Guide](https://cloud.google.com/apis/design/errors).
-            "message": "A String", # A developer-facing error message, which should be in English. Any
-                # user-facing error message should be localized and sent in the
-                # google.rpc.Status.details field, or localized by the client.
-            "code": 42, # The status code, which should be an enum value of google.rpc.Code.
-            "details": [ # A list of messages that carry the error details.  There is a common set of
-                # message types for APIs to use.
-              {
-                "a_key": "", # Properties of the object. Contains field @type with type URL.
-              },
-            ],
-          },
-          "createTime": "A String", # Output only. The instant at which this Waiter resource was created. Adding
-              # the value of `timeout` to this instant yields the timeout deadline for the
-              # waiter.
         },
+        "failure": { # The condition that a Waiter resource is waiting for. # [Optional] The failure condition of this waiter. If this condition is met,
+            # `done` will be set to `true` and the `error` code will be set to `ABORTED`.
+            # The failure condition takes precedence over the success condition. If both
+            # conditions are met, a failure will be indicated. This value is optional; if
+            # no failure condition is set, the only failure scenario will be a timeout.
+          "cardinality": { # A Cardinality condition for the Waiter resource. A cardinality condition is # The cardinality of the `EndCondition`.
+              # met when the number of variables under a specified path prefix reaches a
+              # predefined number. For example, if you set a Cardinality condition where
+              # the `path` is set to `/foo` and the number of paths is set to `2`, the
+              # following variables would meet the condition in a RuntimeConfig resource:
+              #
+              # + `/foo/variable1 = "value1"`
+              # + `/foo/variable2 = "value2"`
+              # + `/bar/variable3 = "value3"`
+              #
+              # It would not satisfy the same condition with the `number` set to
+              # `3`, however, because there is only 2 paths that start with `/foo`.
+              # Cardinality conditions are recursive; all subtrees under the specific
+              # path prefix are counted.
+            "path": "A String", # The root of the variable subtree to monitor. For example, `/foo`.
+            "number": 42, # The number variables under the `path` that must exist to meet this
+                # condition. Defaults to 1 if not specified.
+          },
+        },
+        "done": True or False, # Output only. If the value is `false`, it means the waiter is still waiting
+            # for one of its conditions to be met.
+            #
+            # If true, the waiter has finished. If the waiter finished due to a timeout
+            # or failure, `error` will be set.
+        "timeout": "A String", # [Required] Specifies the timeout of the waiter in seconds, beginning from
+            # the instant that `waiters().create` method is called. If this time elapses
+            # before the success or failure conditions are met, the waiter fails and sets
+            # the `error` code to `DEADLINE_EXCEEDED`.
+        "error": { # The `Status` type defines a logical error model that is suitable for # Output only. If the waiter ended due to a failure or timeout, this value
+            # will be set.
+            # different programming environments, including REST APIs and RPC APIs. It is
+            # used by [gRPC](https://github.com/grpc). Each `Status` message contains
+            # three pieces of data: error code, error message, and error details.
+            #
+            # You can find out more about this error model and how to work with it in the
+            # [API Design Guide](https://cloud.google.com/apis/design/errors).
+          "message": "A String", # A developer-facing error message, which should be in English. Any
+              # user-facing error message should be localized and sent in the
+              # google.rpc.Status.details field, or localized by the client.
+          "code": 42, # The status code, which should be an enum value of google.rpc.Code.
+          "details": [ # A list of messages that carry the error details.  There is a common set of
+              # message types for APIs to use.
+            {
+              "a_key": "", # Properties of the object. Contains field @type with type URL.
+            },
+          ],
+        },
+        "createTime": "A String", # Output only. The instant at which this Waiter resource was created. Adding
+            # the value of `timeout` to this instant yields the timeout deadline for the
+            # waiter.
+      },
     ],
   }</pre>
 </div>
@@ -583,10 +583,10 @@
 </div>
 
 <div class="method">
-    <code class="details" id="testIamPermissions">testIamPermissions(resource, body, x__xgafv=None)</code>
+    <code class="details" id="testIamPermissions">testIamPermissions(resource, body=None, x__xgafv=None)</code>
   <pre>Returns permissions that a caller has on the specified resource.
 If the resource does not exist, this will return an empty set of
-permissions, not a NOT_FOUND error.
+permissions, not a `NOT_FOUND` error.
 
 Note: This operation is designed to be used for building permission-aware
 UIs and command-line tools, not for authorization checking. This operation
@@ -595,7 +595,7 @@
 Args:
   resource: string, REQUIRED: The resource for which the policy detail is being requested.
 See the operation documentation for the appropriate value for this field. (required)
-  body: object, The request body. (required)
+  body: object, The request body.
     The object takes the form of:
 
 { # Request message for `TestIamPermissions` method.