chore: regens API reference docs (#889)

diff --git a/docs/dyn/iap_v1.v1.html b/docs/dyn/iap_v1.v1.html
index 2c7f040..45766a3 100644
--- a/docs/dyn/iap_v1.v1.html
+++ b/docs/dyn/iap_v1.v1.html
@@ -78,11 +78,17 @@
   <code><a href="#getIamPolicy">getIamPolicy(resource, body=None, x__xgafv=None)</a></code></p>
 <p class="firstline">Gets the access control policy for an Identity-Aware Proxy protected</p>
 <p class="toc_element">
-  <code><a href="#setIamPolicy">setIamPolicy(resource, body, x__xgafv=None)</a></code></p>
+  <code><a href="#getIapSettings">getIapSettings(name, x__xgafv=None)</a></code></p>
+<p class="firstline">Gets the IAP settings on a particular IAP protected resource.</p>
+<p class="toc_element">
+  <code><a href="#setIamPolicy">setIamPolicy(resource, body=None, x__xgafv=None)</a></code></p>
 <p class="firstline">Sets the access control policy for an Identity-Aware Proxy protected</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 Identity-Aware Proxy protected</p>
+<p class="toc_element">
+  <code><a href="#updateIapSettings">updateIapSettings(name, body=None, updateMask=None, x__xgafv=None)</a></code></p>
+<p class="firstline">Updates the IAP settings on a particular IAP protected resource. It</p>
 <h3>Method Details</h3>
 <div class="method">
     <code class="details" id="getIamPolicy">getIamPolicy(resource, body=None, x__xgafv=None)</code>
@@ -98,254 +104,16 @@
     The object takes the form of:
 
 { # Request message for `GetIamPolicy` method.
-  }
-
-  x__xgafv: string, V1 error format.
-    Allowed values
-      1 - v1 error format
-      2 - v2 error format
-
-Returns:
-  An object of the form:
-
-    { # Defines an Identity and Access Management (IAM) policy. It is used to
-      # specify access control policies for Cloud Platform resources.
-      #
-      #
-      # A `Policy` consists of a list of `bindings`. A `binding` binds a list of
-      # `members` to a `role`, where the members can be user accounts, Google groups,
-      # Google domains, and service accounts. A `role` is a named list of permissions
-      # defined by IAM.
-      #
-      # **JSON Example**
-      #
-      #     {
-      #       "bindings": [
-      #         {
-      #           "role": "roles/owner",
-      #           "members": [
-      #             "user:mike@example.com",
-      #             "group:admins@example.com",
-      #             "domain:google.com",
-      #             "serviceAccount:my-other-app@appspot.gserviceaccount.com"
-      #           ]
-      #         },
-      #         {
-      #           "role": "roles/viewer",
-      #           "members": ["user:sean@example.com"]
-      #         }
-      #       ]
-      #     }
-      #
-      # **YAML Example**
-      #
-      #     bindings:
-      #     - members:
-      #       - user:mike@example.com
-      #       - group:admins@example.com
-      #       - domain:google.com
-      #       - serviceAccount:my-other-app@appspot.gserviceaccount.com
-      #       role: roles/owner
-      #     - members:
-      #       - user:sean@example.com
-      #       role: roles/viewer
-      #
-      #
-      # For a description of IAM and its features, see the
-      # [IAM developer's guide](https://cloud.google.com/iam/docs).
-    "bindings": [ # Associates a list of `members` to a `role`.
-        # `bindings` with no members will result in an error.
-      { # Associates `members` with a `role`.
-        "role": "A String", # Role that is assigned to `members`.
-            # For example, `roles/viewer`, `roles/editor`, or `roles/owner`.
-        "condition": { # Represents an expression text. Example: # The condition that is associated with this binding.
-            # NOTE: An unsatisfied condition will not allow user access via current
-            # binding. Different bindings, including their conditions, are examined
-            # independently.
-            #
-            #     title: "User account presence"
-            #     description: "Determines whether the request has a user account"
-            #     expression: "size(request.user) > 0"
-          "location": "A String", # An optional string indicating the location of the expression for error
-              # reporting, e.g. a file name and a position in the file.
-          "expression": "A String", # Textual representation of an expression in
-              # Common Expression Language syntax.
-              #
-              # The application context of the containing message determines which
-              # well-known feature set of CEL is supported.
-          "description": "A String", # An optional description of the expression. This is a longer text which
-              # describes the expression, e.g. when hovered over it in a UI.
-          "title": "A String", # An optional title for the expression, i.e. a short string describing
-              # its purpose. This can be used e.g. in UIs which allow to enter the
-              # expression.
-        },
-        "members": [ # Specifies the identities requesting access for a Cloud Platform resource.
-            # `members` can have the following values:
-            #
-            # * `allUsers`: A special identifier that represents anyone who is
-            #    on the internet; with or without a Google account.
-            #
-            # * `allAuthenticatedUsers`: A special identifier that represents anyone
-            #    who is authenticated with a Google account or a service account.
-            #
-            # * `user:{emailid}`: An email address that represents a specific Google
-            #    account. For example, `alice@gmail.com` .
-            #
-            #
-            # * `serviceAccount:{emailid}`: An email address that represents a service
-            #    account. For example, `my-other-app@appspot.gserviceaccount.com`.
-            #
-            # * `group:{emailid}`: An email address that represents a Google group.
-            #    For example, `admins@example.com`.
-            #
-            #
-            # * `domain:{domain}`: The G Suite domain (primary) that represents all the
-            #    users of that domain. For example, `google.com` or `example.com`.
-            #
-          "A String",
-        ],
-      },
-    ],
-    "etag": "A String", # `etag` is used for optimistic concurrency control as a way to help
-        # prevent simultaneous updates of a policy from overwriting each other.
-        # It is strongly suggested that systems make use of the `etag` in the
-        # read-modify-write cycle to perform policy updates in order to avoid race
-        # conditions: An `etag` is returned in the response to `getIamPolicy`, and
-        # systems are expected to put that etag in the request to `setIamPolicy` to
-        # ensure that their change will be applied to the same version of the policy.
-        #
-        # If no `etag` is provided in the call to `setIamPolicy`, then the existing
-        # policy is overwritten blindly.
-    "version": 42, # Deprecated.
-  }</pre>
-</div>
-
-<div class="method">
-    <code class="details" id="setIamPolicy">setIamPolicy(resource, body, x__xgafv=None)</code>
-  <pre>Sets the access control policy for an Identity-Aware Proxy protected
-resource. Replaces any existing policy.
-More information about managing access via IAP can be found at:
-https://cloud.google.com/iap/docs/managing-access#managing_access_via_the_api
-
-Args:
-  resource: string, REQUIRED: The resource for which the policy is being specified.
-See the operation documentation for the appropriate value for this field. (required)
-  body: object, The request body. (required)
-    The object takes the form of:
-
-{ # Request message for `SetIamPolicy` method.
-    "policy": { # Defines an Identity and Access Management (IAM) policy. It is used to # REQUIRED: The complete policy to be applied to the `resource`. The size of
-        # the policy is limited to a few 10s of KB. An empty policy is a
-        # valid policy but certain Cloud Platform services (such as Projects)
-        # might reject them.
-        # specify access control policies for Cloud Platform resources.
-        #
-        #
-        # A `Policy` consists of a list of `bindings`. A `binding` binds a list of
-        # `members` to a `role`, where the members can be user accounts, Google groups,
-        # Google domains, and service accounts. A `role` is a named list of permissions
-        # defined by IAM.
-        #
-        # **JSON Example**
-        #
-        #     {
-        #       "bindings": [
-        #         {
-        #           "role": "roles/owner",
-        #           "members": [
-        #             "user:mike@example.com",
-        #             "group:admins@example.com",
-        #             "domain:google.com",
-        #             "serviceAccount:my-other-app@appspot.gserviceaccount.com"
-        #           ]
-        #         },
-        #         {
-        #           "role": "roles/viewer",
-        #           "members": ["user:sean@example.com"]
-        #         }
-        #       ]
-        #     }
-        #
-        # **YAML Example**
-        #
-        #     bindings:
-        #     - members:
-        #       - user:mike@example.com
-        #       - group:admins@example.com
-        #       - domain:google.com
-        #       - serviceAccount:my-other-app@appspot.gserviceaccount.com
-        #       role: roles/owner
-        #     - members:
-        #       - user:sean@example.com
-        #       role: roles/viewer
-        #
-        #
-        # For a description of IAM and its features, see the
-        # [IAM developer's guide](https://cloud.google.com/iam/docs).
-      "bindings": [ # Associates a list of `members` to a `role`.
-          # `bindings` with no members will result in an error.
-        { # Associates `members` with a `role`.
-          "role": "A String", # Role that is assigned to `members`.
-              # For example, `roles/viewer`, `roles/editor`, or `roles/owner`.
-          "condition": { # Represents an expression text. Example: # The condition that is associated with this binding.
-              # NOTE: An unsatisfied condition will not allow user access via current
-              # binding. Different bindings, including their conditions, are examined
-              # independently.
-              #
-              #     title: "User account presence"
-              #     description: "Determines whether the request has a user account"
-              #     expression: "size(request.user) > 0"
-            "location": "A String", # An optional string indicating the location of the expression for error
-                # reporting, e.g. a file name and a position in the file.
-            "expression": "A String", # Textual representation of an expression in
-                # Common Expression Language syntax.
-                #
-                # The application context of the containing message determines which
-                # well-known feature set of CEL is supported.
-            "description": "A String", # An optional description of the expression. This is a longer text which
-                # describes the expression, e.g. when hovered over it in a UI.
-            "title": "A String", # An optional title for the expression, i.e. a short string describing
-                # its purpose. This can be used e.g. in UIs which allow to enter the
-                # expression.
-          },
-          "members": [ # Specifies the identities requesting access for a Cloud Platform resource.
-              # `members` can have the following values:
-              #
-              # * `allUsers`: A special identifier that represents anyone who is
-              #    on the internet; with or without a Google account.
-              #
-              # * `allAuthenticatedUsers`: A special identifier that represents anyone
-              #    who is authenticated with a Google account or a service account.
-              #
-              # * `user:{emailid}`: An email address that represents a specific Google
-              #    account. For example, `alice@gmail.com` .
-              #
-              #
-              # * `serviceAccount:{emailid}`: An email address that represents a service
-              #    account. For example, `my-other-app@appspot.gserviceaccount.com`.
-              #
-              # * `group:{emailid}`: An email address that represents a Google group.
-              #    For example, `admins@example.com`.
-              #
-              #
-              # * `domain:{domain}`: The G Suite domain (primary) that represents all the
-              #    users of that domain. For example, `google.com` or `example.com`.
-              #
-            "A String",
-          ],
-        },
-      ],
-      "etag": "A String", # `etag` is used for optimistic concurrency control as a way to help
-          # prevent simultaneous updates of a policy from overwriting each other.
-          # It is strongly suggested that systems make use of the `etag` in the
-          # read-modify-write cycle to perform policy updates in order to avoid race
-          # conditions: An `etag` is returned in the response to `getIamPolicy`, and
-          # systems are expected to put that etag in the request to `setIamPolicy` to
-          # ensure that their change will be applied to the same version of the policy.
+    "options": { # Encapsulates settings provided to GetIamPolicy. # OPTIONAL: A `GetPolicyOptions` object for specifying options to
+        # `GetIamPolicy`. This field is only used by Cloud IAM.
+      "requestedPolicyVersion": 42, # Optional. The policy format version to be returned.
           #
-          # If no `etag` is provided in the call to `setIamPolicy`, then the existing
-          # policy is overwritten blindly.
-      "version": 42, # Deprecated.
+          # Valid values are 0, 1, and 3. Requests specifying an invalid value will be
+          # rejected.
+          #
+          # Requests for policies with any conditional bindings must specify version 3.
+          # Policies without any conditional bindings may specify any valid value or
+          # leave the field unset.
     },
   }
 
@@ -357,77 +125,75 @@
 Returns:
   An object of the form:
 
-    { # Defines an Identity and Access Management (IAM) policy. It is used to
-      # specify access control policies for Cloud Platform resources.
+    { # An Identity and Access Management (IAM) policy, which specifies access
+      # controls for Google Cloud resources.
       #
       #
-      # A `Policy` consists of a list of `bindings`. A `binding` binds a list of
-      # `members` to a `role`, where the members can be user accounts, Google groups,
-      # Google domains, and service accounts. A `role` is a named list of permissions
-      # defined by IAM.
+      # A `Policy` is a collection of `bindings`. A `binding` binds one or more
+      # `members` to a single `role`. Members can be user accounts, service accounts,
+      # Google groups, and domains (such as G Suite). A `role` is a named list of
+      # permissions; each `role` can be an IAM predefined role or a user-created
+      # custom role.
       #
-      # **JSON Example**
+      # Optionally, a `binding` can specify a `condition`, which is a logical
+      # expression that allows access to a resource only if the expression evaluates
+      # to `true`. A condition can add constraints based on attributes of the
+      # request, the resource, or both.
+      #
+      # **JSON example:**
       #
       #     {
       #       "bindings": [
       #         {
-      #           "role": "roles/owner",
+      #           "role": "roles/resourcemanager.organizationAdmin",
       #           "members": [
       #             "user:mike@example.com",
       #             "group:admins@example.com",
       #             "domain:google.com",
-      #             "serviceAccount:my-other-app@appspot.gserviceaccount.com"
+      #             "serviceAccount:my-project-id@appspot.gserviceaccount.com"
       #           ]
       #         },
       #         {
-      #           "role": "roles/viewer",
-      #           "members": ["user:sean@example.com"]
+      #           "role": "roles/resourcemanager.organizationViewer",
+      #           "members": ["user:eve@example.com"],
+      #           "condition": {
+      #             "title": "expirable access",
+      #             "description": "Does not grant access after Sep 2020",
+      #             "expression": "request.time &lt; timestamp('2020-10-01T00:00:00.000Z')",
+      #           }
       #         }
-      #       ]
+      #       ],
+      #       "etag": "BwWWja0YfJA=",
+      #       "version": 3
       #     }
       #
-      # **YAML Example**
+      # **YAML example:**
       #
       #     bindings:
       #     - members:
       #       - user:mike@example.com
       #       - group:admins@example.com
       #       - domain:google.com
-      #       - serviceAccount:my-other-app@appspot.gserviceaccount.com
-      #       role: roles/owner
+      #       - serviceAccount:my-project-id@appspot.gserviceaccount.com
+      #       role: roles/resourcemanager.organizationAdmin
       #     - members:
-      #       - user:sean@example.com
-      #       role: roles/viewer
-      #
+      #       - user:eve@example.com
+      #       role: roles/resourcemanager.organizationViewer
+      #       condition:
+      #         title: expirable access
+      #         description: Does not grant access after Sep 2020
+      #         expression: request.time &lt; timestamp('2020-10-01T00:00:00.000Z')
+      #     - etag: BwWWja0YfJA=
+      #     - version: 3
       #
       # For a description of IAM and its features, see the
-      # [IAM developer's guide](https://cloud.google.com/iam/docs).
-    "bindings": [ # Associates a list of `members` to a `role`.
-        # `bindings` with no members will result in an error.
+      # [IAM documentation](https://cloud.google.com/iam/docs/).
+    "bindings": [ # Associates a list of `members` to a `role`. Optionally, may specify a
+        # `condition` that determines how and when the `bindings` are applied. Each
+        # of the `bindings` must contain at least one member.
       { # Associates `members` with a `role`.
         "role": "A String", # Role that is assigned to `members`.
             # For example, `roles/viewer`, `roles/editor`, or `roles/owner`.
-        "condition": { # Represents an expression text. Example: # The condition that is associated with this binding.
-            # NOTE: An unsatisfied condition will not allow user access via current
-            # binding. Different bindings, including their conditions, are examined
-            # independently.
-            #
-            #     title: "User account presence"
-            #     description: "Determines whether the request has a user account"
-            #     expression: "size(request.user) > 0"
-          "location": "A String", # An optional string indicating the location of the expression for error
-              # reporting, e.g. a file name and a position in the file.
-          "expression": "A String", # Textual representation of an expression in
-              # Common Expression Language syntax.
-              #
-              # The application context of the containing message determines which
-              # well-known feature set of CEL is supported.
-          "description": "A String", # An optional description of the expression. This is a longer text which
-              # describes the expression, e.g. when hovered over it in a UI.
-          "title": "A String", # An optional title for the expression, i.e. a short string describing
-              # its purpose. This can be used e.g. in UIs which allow to enter the
-              # expression.
-        },
         "members": [ # Specifies the identities requesting access for a Cloud Platform resource.
             # `members` can have the following values:
             #
@@ -438,7 +204,7 @@
             #    who is authenticated with a Google account or a service account.
             #
             # * `user:{emailid}`: An email address that represents a specific Google
-            #    account. For example, `alice@gmail.com` .
+            #    account. For example, `alice@example.com` .
             #
             #
             # * `serviceAccount:{emailid}`: An email address that represents a service
@@ -447,12 +213,76 @@
             # * `group:{emailid}`: An email address that represents a Google group.
             #    For example, `admins@example.com`.
             #
+            # * `deleted:user:{emailid}?uid={uniqueid}`: An email address (plus unique
+            #    identifier) representing a user that has been recently deleted. For
+            #    example, `alice@example.com?uid=123456789012345678901`. If the user is
+            #    recovered, this value reverts to `user:{emailid}` and the recovered user
+            #    retains the role in the binding.
+            #
+            # * `deleted:serviceAccount:{emailid}?uid={uniqueid}`: An email address (plus
+            #    unique identifier) representing a service account that has been recently
+            #    deleted. For example,
+            #    `my-other-app@appspot.gserviceaccount.com?uid=123456789012345678901`.
+            #    If the service account is undeleted, this value reverts to
+            #    `serviceAccount:{emailid}` and the undeleted service account retains the
+            #    role in the binding.
+            #
+            # * `deleted:group:{emailid}?uid={uniqueid}`: An email address (plus unique
+            #    identifier) representing a Google group that has been recently
+            #    deleted. For example, `admins@example.com?uid=123456789012345678901`. If
+            #    the group is recovered, this value reverts to `group:{emailid}` and the
+            #    recovered group retains the role in the binding.
+            #
             #
             # * `domain:{domain}`: The G Suite domain (primary) that represents all the
             #    users of that domain. For example, `google.com` or `example.com`.
             #
           "A String",
         ],
+        "condition": { # Represents a textual expression in the Common Expression Language (CEL) # The condition that is associated with this binding.
+            # NOTE: An unsatisfied condition will not allow user access via current
+            # binding. Different bindings, including their conditions, are examined
+            # independently.
+            # syntax. CEL is a C-like expression language. The syntax and semantics of CEL
+            # are documented at https://github.com/google/cel-spec.
+            #
+            # Example (Comparison):
+            #
+            #     title: "Summary size limit"
+            #     description: "Determines if a summary is less than 100 chars"
+            #     expression: "document.summary.size() &lt; 100"
+            #
+            # Example (Equality):
+            #
+            #     title: "Requestor is owner"
+            #     description: "Determines if requestor is the document owner"
+            #     expression: "document.owner == request.auth.claims.email"
+            #
+            # Example (Logic):
+            #
+            #     title: "Public documents"
+            #     description: "Determine whether the document should be publicly visible"
+            #     expression: "document.type != 'private' &amp;&amp; document.type != 'internal'"
+            #
+            # Example (Data Manipulation):
+            #
+            #     title: "Notification string"
+            #     description: "Create a notification string with a timestamp."
+            #     expression: "'New message received at ' + string(document.create_time)"
+            #
+            # The exact variables and functions that may be referenced within an expression
+            # are determined by the service that evaluates it. See the service
+            # documentation for additional information.
+          "description": "A String", # Optional. Description of the expression. This is a longer text which
+              # describes the expression, e.g. when hovered over it in a UI.
+          "expression": "A String", # Textual representation of an expression in Common Expression Language
+              # syntax.
+          "location": "A String", # Optional. String indicating the location of the expression for error
+              # reporting, e.g. a file name and a position in the file.
+          "title": "A String", # Optional. Title for the expression, i.e. a short string describing
+              # its purpose. This can be used e.g. in UIs which allow to enter the
+              # expression.
+        },
       },
     ],
     "etag": "A String", # `etag` is used for optimistic concurrency control as a way to help
@@ -463,14 +293,589 @@
         # systems are expected to put that etag in the request to `setIamPolicy` to
         # ensure that their change will be applied to the same version of the policy.
         #
-        # If no `etag` is provided in the call to `setIamPolicy`, then the existing
-        # policy is overwritten blindly.
-    "version": 42, # Deprecated.
+        # **Important:** If you use IAM Conditions, you must include the `etag` field
+        # whenever you call `setIamPolicy`. If you omit this field, then IAM allows
+        # you to overwrite a version `3` policy with a version `1` policy, and all of
+        # the conditions in the version `3` policy are lost.
+    "version": 42, # Specifies the format of the policy.
+        #
+        # Valid values are `0`, `1`, and `3`. Requests that specify an invalid value
+        # are rejected.
+        #
+        # Any operation that affects conditional role bindings must specify version
+        # `3`. This requirement applies to the following operations:
+        #
+        # * Getting a policy that includes a conditional role binding
+        # * Adding a conditional role binding to a policy
+        # * Changing a conditional role binding in a policy
+        # * Removing any role binding, with or without a condition, from a policy
+        #   that includes conditions
+        #
+        # **Important:** If you use IAM Conditions, you must include the `etag` field
+        # whenever you call `setIamPolicy`. If you omit this field, then IAM allows
+        # you to overwrite a version `3` policy with a version `1` policy, and all of
+        # the conditions in the version `3` policy are lost.
+        #
+        # If a policy does not include any conditions, operations on that policy may
+        # specify any valid version or leave the field unset.
   }</pre>
 </div>
 
 <div class="method">
-    <code class="details" id="testIamPermissions">testIamPermissions(resource, body, x__xgafv=None)</code>
+    <code class="details" id="getIapSettings">getIapSettings(name, x__xgafv=None)</code>
+  <pre>Gets the IAP settings on a particular IAP protected resource.
+
+Args:
+  name: string, Required. The resource name for which to retrieve the settings.
+Authorization: Requires the `getSettings` permission for the associated
+resource. (required)
+  x__xgafv: string, V1 error format.
+    Allowed values
+      1 - v1 error format
+      2 - v2 error format
+
+Returns:
+  An object of the form:
+
+    { # The IAP configurable settings.
+    "applicationSettings": { # Wrapper over application specific settings for IAP. # Top level wrapper for all application related settings in IAP
+      "accessDeniedPageSettings": { # Custom content configuration for access denied page. # Customization for Access Denied page.
+          # IAP allows customers to define a custom URI to use as the error page when
+          # access is denied to users. If IAP prevents access to this page, the default
+          # IAP error page will be displayed instead.
+        "accessDeniedPageUri": "A String", # The URI to be redirected to when access is denied.
+      },
+      "csmSettings": { # Configuration for RCTokens generated for CSM workloads protected by IAP. # Settings to configure IAP's behavior for a CSM mesh.
+          # RCTokens are IAP generated JWTs that can be verified at the application. The
+          # RCToken is primarily used for ISTIO deployments, and can be scoped to a
+          # single mesh by configuring the audience field accordingly
+        "rctokenAud": "A String", # Audience claim set in the generated RCToken. This value is not validated by
+            # IAP.
+      },
+    },
+    "accessSettings": { # Access related settings for IAP protected apps. # Top level wrapper for all access related setting in IAP
+      "oauthSettings": { # Configuration for OAuth login&amp;consent flow behavior as well as for OAuth # Settings to configure IAP's OAuth behavior.
+          # Credentials.
+        "loginHint": "A String", # Domain hint to send as hd=? parameter in OAuth request flow. Enables
+            # redirect to primary IDP by skipping Google's login screen.
+            # https://developers.google.com/identity/protocols/OpenIDConnect#hd-param
+            # Note: IAP does not verify that the id token's hd claim matches this value
+            # since access behavior is managed by IAM policies.
+        "clientId": "A String", # OAuth 2.0 client ID used in the OAuth flow to generate an access token. If
+            # this field is set, you can skip obtaining the OAuth credentials in this
+            # step:
+            # https://developers.google.com/identity/protocols/OAuth2?hl=en_US#1.-obtain-oauth-2.0-credentials-from-the-google-api-console.
+            # However, this could allow for client sharing. The risks of client sharing
+            # are outlined here:
+            # https://cloud.google.com/iap/docs/sharing-oauth-clients#risks.
+      },
+      "corsSettings": { # Allows customers to configure HTTP request paths that'll allow HTTP OPTIONS # Configuration to allow cross-origin requests via IAP.
+          # call to bypass authentication and authorization.
+        "allowHttpOptions": True or False, # Configuration to allow HTTP OPTIONS calls to skip authorization. If
+            # undefined, IAP will not apply any special logic to OPTIONS requests.
+      },
+      "policyDelegationSettings": { # PolicyDelegationConfig allows google-internal teams to use IAP for apps # Settings to configure Policy delegation for apps hosted in tenant projects.
+          # INTERNAL_ONLY.
+          # hosted in a tenant project. Using these settings, the app can delegate
+          # permission check to happen against the linked customer project.
+          # This is only ever supposed to be used by google internal teams, hence the
+          # restriction on the proto.
+        "policyName": { # Policy name to be checked
+          "region": "A String", # For Cloud IAM:
+              # The location of the Policy.
+              # Must be empty or "global" for Policies owned by global IAM.  Must name a
+              # region from prodspec/cloud-iam-cloudspec for Regional IAM Policies, see
+              # http://go/iam-faq#where-is-iam-currently-deployed.
+              #
+              # For Local IAM:
+              # This field should be set to "local".
+          "type": "A String", # Valid values for type might be 'gce', 'gcs', 'project', 'account' etc.
+          "id": "A String",
+        },
+        "iamPermission": "A String", # Permission to check in IAM.
+        "resource": { # IAM resource to check permission on
+          "labels": { # The service defined labels of the resource on which the conditions will be
+              # evaluated. The semantics - including the key names - are vague to IAM.
+              # If the effective condition has a reference to a `resource.labels[foo]`
+              # construct, IAM consults with this map to retrieve the values associated
+              # with `foo` key for Conditions evaluation. If the provided key is not found
+              # in the labels map, the condition would evaluate to false.
+              #
+              # This field is in limited use. If your intended use case is not expected
+              # to express resource.labels attribute in IAM Conditions, leave this field
+              # empty. Before planning on using this attribute please:
+              # * Read go/iam-conditions-labels-comm and ensure your service can meet the
+              #   data availability and management requirements.
+              # * Talk to iam-conditions-eng@ about your use case.
+            "a_key": "A String",
+          },
+          "type": "A String", # The public resource type name of the resource on which conditions will be
+              # evaluated. It is configured using the official_name of the ResourceType as
+              # defined in service configurations under //configs/cloud/resourcetypes.
+              # For example, the official_name for GCP projects is set as
+              # 'cloudresourcemanager.googleapis.com/Project' according to
+              # //configs/cloud/resourcetypes/google/cloud/resourcemanager/prod.yaml
+              # For details see go/iam-conditions-integration-guide.
+          "name": "A String", # Name of the resource on which conditions will be evaluated.
+              # Must use the Relative Resource Name of the resource, which is the URI
+              # path of the resource without the leading "/". Examples are
+              # "projects/_/buckets/[BUCKET-ID]" for storage buckets or
+              # "projects/[PROJECT-ID]/global/firewalls/[FIREWALL-ID]" for a firewall.
+              #
+              # This field is required for evaluating conditions with rules on resource
+              # names. For a `list` permission check, the resource.name value must be set
+              # to the parent resource. If the parent resource is a project, this field
+              # should be left unset.
+          "service": "A String", # The name of the service this resource belongs to. It is configured using
+              # the official_service_name of the Service as defined in service
+              # configurations under //configs/cloud/resourcetypes.
+              # For example, the official_service_name of cloud resource manager service
+              # is set as 'cloudresourcemanager.googleapis.com' according to
+              # //configs/cloud/resourcetypes/google/cloud/resourcemanager/prod.yaml
+        },
+        "iamServiceName": "A String", # The DNS name of the service (e.g. "resourcemanager.googleapis.com").
+            # This should be the domain name part of the full resource names (see
+            # https://aip.dev/122#full-resource-names), which is usually
+            # the same as IamServiceSpec.service of the service where the resource type
+            # is defined.
+      },
+      "gcipSettings": { # Allows customers to configure tenant_id for GCIP instance per-app. # GCIP claims and endpoint configurations for 3p identity providers.
+        "loginPageUri": "A String", # Login page URI associated with the GCIP tenants.
+            # Typically, all resources within the same project share the same login page,
+            # though it could be overridden at the sub resource level.
+        "tenantIds": [ # GCIP tenant ids that are linked to the IAP resource.
+            # tenant_ids could be a string beginning with a number character to indicate
+            # authenticating with GCIP tenant flow, or in the format of _&lt;ProjectNumber&gt;
+            # to indicate authenticating with GCIP agent flow.
+            # If agent flow is used, tenant_ids should only contain one single element,
+            # while for tenant flow, tenant_ids can contain multiple elements.
+          "A String",
+        ],
+      },
+    },
+    "name": "A String", # Required. The resource name of the IAP protected resource.
+  }</pre>
+</div>
+
+<div class="method">
+    <code class="details" id="setIamPolicy">setIamPolicy(resource, body=None, x__xgafv=None)</code>
+  <pre>Sets the access control policy for an Identity-Aware Proxy protected
+resource. Replaces any existing policy.
+More information about managing access via IAP can be found at:
+https://cloud.google.com/iap/docs/managing-access#managing_access_via_the_api
+
+Args:
+  resource: string, REQUIRED: The resource for which the policy is being specified.
+See the operation documentation for the appropriate value for this field. (required)
+  body: object, The request body.
+    The object takes the form of:
+
+{ # Request message for `SetIamPolicy` method.
+    "policy": { # An Identity and Access Management (IAM) policy, which specifies access # REQUIRED: The complete policy to be applied to the `resource`. The size of
+        # the policy is limited to a few 10s of KB. An empty policy is a
+        # valid policy but certain Cloud Platform services (such as Projects)
+        # might reject them.
+        # controls for Google Cloud resources.
+        #
+        #
+        # A `Policy` is a collection of `bindings`. A `binding` binds one or more
+        # `members` to a single `role`. Members can be user accounts, service accounts,
+        # Google groups, and domains (such as G Suite). A `role` is a named list of
+        # permissions; each `role` can be an IAM predefined role or a user-created
+        # custom role.
+        #
+        # Optionally, a `binding` can specify a `condition`, which is a logical
+        # expression that allows access to a resource only if the expression evaluates
+        # to `true`. A condition can add constraints based on attributes of the
+        # request, the resource, or both.
+        #
+        # **JSON example:**
+        #
+        #     {
+        #       "bindings": [
+        #         {
+        #           "role": "roles/resourcemanager.organizationAdmin",
+        #           "members": [
+        #             "user:mike@example.com",
+        #             "group:admins@example.com",
+        #             "domain:google.com",
+        #             "serviceAccount:my-project-id@appspot.gserviceaccount.com"
+        #           ]
+        #         },
+        #         {
+        #           "role": "roles/resourcemanager.organizationViewer",
+        #           "members": ["user:eve@example.com"],
+        #           "condition": {
+        #             "title": "expirable access",
+        #             "description": "Does not grant access after Sep 2020",
+        #             "expression": "request.time &lt; timestamp('2020-10-01T00:00:00.000Z')",
+        #           }
+        #         }
+        #       ],
+        #       "etag": "BwWWja0YfJA=",
+        #       "version": 3
+        #     }
+        #
+        # **YAML example:**
+        #
+        #     bindings:
+        #     - members:
+        #       - user:mike@example.com
+        #       - group:admins@example.com
+        #       - domain:google.com
+        #       - serviceAccount:my-project-id@appspot.gserviceaccount.com
+        #       role: roles/resourcemanager.organizationAdmin
+        #     - members:
+        #       - user:eve@example.com
+        #       role: roles/resourcemanager.organizationViewer
+        #       condition:
+        #         title: expirable access
+        #         description: Does not grant access after Sep 2020
+        #         expression: request.time &lt; timestamp('2020-10-01T00:00:00.000Z')
+        #     - etag: BwWWja0YfJA=
+        #     - version: 3
+        #
+        # For a description of IAM and its features, see the
+        # [IAM documentation](https://cloud.google.com/iam/docs/).
+      "bindings": [ # Associates a list of `members` to a `role`. Optionally, may specify a
+          # `condition` that determines how and when the `bindings` are applied. Each
+          # of the `bindings` must contain at least one member.
+        { # Associates `members` with a `role`.
+          "role": "A String", # Role that is assigned to `members`.
+              # For example, `roles/viewer`, `roles/editor`, or `roles/owner`.
+          "members": [ # Specifies the identities requesting access for a Cloud Platform resource.
+              # `members` can have the following values:
+              #
+              # * `allUsers`: A special identifier that represents anyone who is
+              #    on the internet; with or without a Google account.
+              #
+              # * `allAuthenticatedUsers`: A special identifier that represents anyone
+              #    who is authenticated with a Google account or a service account.
+              #
+              # * `user:{emailid}`: An email address that represents a specific Google
+              #    account. For example, `alice@example.com` .
+              #
+              #
+              # * `serviceAccount:{emailid}`: An email address that represents a service
+              #    account. For example, `my-other-app@appspot.gserviceaccount.com`.
+              #
+              # * `group:{emailid}`: An email address that represents a Google group.
+              #    For example, `admins@example.com`.
+              #
+              # * `deleted:user:{emailid}?uid={uniqueid}`: An email address (plus unique
+              #    identifier) representing a user that has been recently deleted. For
+              #    example, `alice@example.com?uid=123456789012345678901`. If the user is
+              #    recovered, this value reverts to `user:{emailid}` and the recovered user
+              #    retains the role in the binding.
+              #
+              # * `deleted:serviceAccount:{emailid}?uid={uniqueid}`: An email address (plus
+              #    unique identifier) representing a service account that has been recently
+              #    deleted. For example,
+              #    `my-other-app@appspot.gserviceaccount.com?uid=123456789012345678901`.
+              #    If the service account is undeleted, this value reverts to
+              #    `serviceAccount:{emailid}` and the undeleted service account retains the
+              #    role in the binding.
+              #
+              # * `deleted:group:{emailid}?uid={uniqueid}`: An email address (plus unique
+              #    identifier) representing a Google group that has been recently
+              #    deleted. For example, `admins@example.com?uid=123456789012345678901`. If
+              #    the group is recovered, this value reverts to `group:{emailid}` and the
+              #    recovered group retains the role in the binding.
+              #
+              #
+              # * `domain:{domain}`: The G Suite domain (primary) that represents all the
+              #    users of that domain. For example, `google.com` or `example.com`.
+              #
+            "A String",
+          ],
+          "condition": { # Represents a textual expression in the Common Expression Language (CEL) # The condition that is associated with this binding.
+              # NOTE: An unsatisfied condition will not allow user access via current
+              # binding. Different bindings, including their conditions, are examined
+              # independently.
+              # syntax. CEL is a C-like expression language. The syntax and semantics of CEL
+              # are documented at https://github.com/google/cel-spec.
+              #
+              # Example (Comparison):
+              #
+              #     title: "Summary size limit"
+              #     description: "Determines if a summary is less than 100 chars"
+              #     expression: "document.summary.size() &lt; 100"
+              #
+              # Example (Equality):
+              #
+              #     title: "Requestor is owner"
+              #     description: "Determines if requestor is the document owner"
+              #     expression: "document.owner == request.auth.claims.email"
+              #
+              # Example (Logic):
+              #
+              #     title: "Public documents"
+              #     description: "Determine whether the document should be publicly visible"
+              #     expression: "document.type != 'private' &amp;&amp; document.type != 'internal'"
+              #
+              # Example (Data Manipulation):
+              #
+              #     title: "Notification string"
+              #     description: "Create a notification string with a timestamp."
+              #     expression: "'New message received at ' + string(document.create_time)"
+              #
+              # The exact variables and functions that may be referenced within an expression
+              # are determined by the service that evaluates it. See the service
+              # documentation for additional information.
+            "description": "A String", # Optional. Description of the expression. This is a longer text which
+                # describes the expression, e.g. when hovered over it in a UI.
+            "expression": "A String", # Textual representation of an expression in Common Expression Language
+                # syntax.
+            "location": "A String", # Optional. String indicating the location of the expression for error
+                # reporting, e.g. a file name and a position in the file.
+            "title": "A String", # Optional. Title for the expression, i.e. a short string describing
+                # its purpose. This can be used e.g. in UIs which allow to enter the
+                # expression.
+          },
+        },
+      ],
+      "etag": "A String", # `etag` is used for optimistic concurrency control as a way to help
+          # prevent simultaneous updates of a policy from overwriting each other.
+          # It is strongly suggested that systems make use of the `etag` in the
+          # read-modify-write cycle to perform policy updates in order to avoid race
+          # conditions: An `etag` is returned in the response to `getIamPolicy`, and
+          # systems are expected to put that etag in the request to `setIamPolicy` to
+          # ensure that their change will be applied to the same version of the policy.
+          #
+          # **Important:** If you use IAM Conditions, you must include the `etag` field
+          # whenever you call `setIamPolicy`. If you omit this field, then IAM allows
+          # you to overwrite a version `3` policy with a version `1` policy, and all of
+          # the conditions in the version `3` policy are lost.
+      "version": 42, # Specifies the format of the policy.
+          #
+          # Valid values are `0`, `1`, and `3`. Requests that specify an invalid value
+          # are rejected.
+          #
+          # Any operation that affects conditional role bindings must specify version
+          # `3`. This requirement applies to the following operations:
+          #
+          # * Getting a policy that includes a conditional role binding
+          # * Adding a conditional role binding to a policy
+          # * Changing a conditional role binding in a policy
+          # * Removing any role binding, with or without a condition, from a policy
+          #   that includes conditions
+          #
+          # **Important:** If you use IAM Conditions, you must include the `etag` field
+          # whenever you call `setIamPolicy`. If you omit this field, then IAM allows
+          # you to overwrite a version `3` policy with a version `1` policy, and all of
+          # the conditions in the version `3` policy are lost.
+          #
+          # If a policy does not include any conditions, operations on that policy may
+          # specify any valid version or leave the field unset.
+    },
+  }
+
+  x__xgafv: string, V1 error format.
+    Allowed values
+      1 - v1 error format
+      2 - v2 error format
+
+Returns:
+  An object of the form:
+
+    { # An Identity and Access Management (IAM) policy, which specifies access
+      # controls for Google Cloud resources.
+      #
+      #
+      # A `Policy` is a collection of `bindings`. A `binding` binds one or more
+      # `members` to a single `role`. Members can be user accounts, service accounts,
+      # Google groups, and domains (such as G Suite). A `role` is a named list of
+      # permissions; each `role` can be an IAM predefined role or a user-created
+      # custom role.
+      #
+      # Optionally, a `binding` can specify a `condition`, which is a logical
+      # expression that allows access to a resource only if the expression evaluates
+      # to `true`. A condition can add constraints based on attributes of the
+      # request, the resource, or both.
+      #
+      # **JSON example:**
+      #
+      #     {
+      #       "bindings": [
+      #         {
+      #           "role": "roles/resourcemanager.organizationAdmin",
+      #           "members": [
+      #             "user:mike@example.com",
+      #             "group:admins@example.com",
+      #             "domain:google.com",
+      #             "serviceAccount:my-project-id@appspot.gserviceaccount.com"
+      #           ]
+      #         },
+      #         {
+      #           "role": "roles/resourcemanager.organizationViewer",
+      #           "members": ["user:eve@example.com"],
+      #           "condition": {
+      #             "title": "expirable access",
+      #             "description": "Does not grant access after Sep 2020",
+      #             "expression": "request.time &lt; timestamp('2020-10-01T00:00:00.000Z')",
+      #           }
+      #         }
+      #       ],
+      #       "etag": "BwWWja0YfJA=",
+      #       "version": 3
+      #     }
+      #
+      # **YAML example:**
+      #
+      #     bindings:
+      #     - members:
+      #       - user:mike@example.com
+      #       - group:admins@example.com
+      #       - domain:google.com
+      #       - serviceAccount:my-project-id@appspot.gserviceaccount.com
+      #       role: roles/resourcemanager.organizationAdmin
+      #     - members:
+      #       - user:eve@example.com
+      #       role: roles/resourcemanager.organizationViewer
+      #       condition:
+      #         title: expirable access
+      #         description: Does not grant access after Sep 2020
+      #         expression: request.time &lt; timestamp('2020-10-01T00:00:00.000Z')
+      #     - etag: BwWWja0YfJA=
+      #     - version: 3
+      #
+      # For a description of IAM and its features, see the
+      # [IAM documentation](https://cloud.google.com/iam/docs/).
+    "bindings": [ # Associates a list of `members` to a `role`. Optionally, may specify a
+        # `condition` that determines how and when the `bindings` are applied. Each
+        # of the `bindings` must contain at least one member.
+      { # Associates `members` with a `role`.
+        "role": "A String", # Role that is assigned to `members`.
+            # For example, `roles/viewer`, `roles/editor`, or `roles/owner`.
+        "members": [ # Specifies the identities requesting access for a Cloud Platform resource.
+            # `members` can have the following values:
+            #
+            # * `allUsers`: A special identifier that represents anyone who is
+            #    on the internet; with or without a Google account.
+            #
+            # * `allAuthenticatedUsers`: A special identifier that represents anyone
+            #    who is authenticated with a Google account or a service account.
+            #
+            # * `user:{emailid}`: An email address that represents a specific Google
+            #    account. For example, `alice@example.com` .
+            #
+            #
+            # * `serviceAccount:{emailid}`: An email address that represents a service
+            #    account. For example, `my-other-app@appspot.gserviceaccount.com`.
+            #
+            # * `group:{emailid}`: An email address that represents a Google group.
+            #    For example, `admins@example.com`.
+            #
+            # * `deleted:user:{emailid}?uid={uniqueid}`: An email address (plus unique
+            #    identifier) representing a user that has been recently deleted. For
+            #    example, `alice@example.com?uid=123456789012345678901`. If the user is
+            #    recovered, this value reverts to `user:{emailid}` and the recovered user
+            #    retains the role in the binding.
+            #
+            # * `deleted:serviceAccount:{emailid}?uid={uniqueid}`: An email address (plus
+            #    unique identifier) representing a service account that has been recently
+            #    deleted. For example,
+            #    `my-other-app@appspot.gserviceaccount.com?uid=123456789012345678901`.
+            #    If the service account is undeleted, this value reverts to
+            #    `serviceAccount:{emailid}` and the undeleted service account retains the
+            #    role in the binding.
+            #
+            # * `deleted:group:{emailid}?uid={uniqueid}`: An email address (plus unique
+            #    identifier) representing a Google group that has been recently
+            #    deleted. For example, `admins@example.com?uid=123456789012345678901`. If
+            #    the group is recovered, this value reverts to `group:{emailid}` and the
+            #    recovered group retains the role in the binding.
+            #
+            #
+            # * `domain:{domain}`: The G Suite domain (primary) that represents all the
+            #    users of that domain. For example, `google.com` or `example.com`.
+            #
+          "A String",
+        ],
+        "condition": { # Represents a textual expression in the Common Expression Language (CEL) # The condition that is associated with this binding.
+            # NOTE: An unsatisfied condition will not allow user access via current
+            # binding. Different bindings, including their conditions, are examined
+            # independently.
+            # syntax. CEL is a C-like expression language. The syntax and semantics of CEL
+            # are documented at https://github.com/google/cel-spec.
+            #
+            # Example (Comparison):
+            #
+            #     title: "Summary size limit"
+            #     description: "Determines if a summary is less than 100 chars"
+            #     expression: "document.summary.size() &lt; 100"
+            #
+            # Example (Equality):
+            #
+            #     title: "Requestor is owner"
+            #     description: "Determines if requestor is the document owner"
+            #     expression: "document.owner == request.auth.claims.email"
+            #
+            # Example (Logic):
+            #
+            #     title: "Public documents"
+            #     description: "Determine whether the document should be publicly visible"
+            #     expression: "document.type != 'private' &amp;&amp; document.type != 'internal'"
+            #
+            # Example (Data Manipulation):
+            #
+            #     title: "Notification string"
+            #     description: "Create a notification string with a timestamp."
+            #     expression: "'New message received at ' + string(document.create_time)"
+            #
+            # The exact variables and functions that may be referenced within an expression
+            # are determined by the service that evaluates it. See the service
+            # documentation for additional information.
+          "description": "A String", # Optional. Description of the expression. This is a longer text which
+              # describes the expression, e.g. when hovered over it in a UI.
+          "expression": "A String", # Textual representation of an expression in Common Expression Language
+              # syntax.
+          "location": "A String", # Optional. String indicating the location of the expression for error
+              # reporting, e.g. a file name and a position in the file.
+          "title": "A String", # Optional. Title for the expression, i.e. a short string describing
+              # its purpose. This can be used e.g. in UIs which allow to enter the
+              # expression.
+        },
+      },
+    ],
+    "etag": "A String", # `etag` is used for optimistic concurrency control as a way to help
+        # prevent simultaneous updates of a policy from overwriting each other.
+        # It is strongly suggested that systems make use of the `etag` in the
+        # read-modify-write cycle to perform policy updates in order to avoid race
+        # conditions: An `etag` is returned in the response to `getIamPolicy`, and
+        # systems are expected to put that etag in the request to `setIamPolicy` to
+        # ensure that their change will be applied to the same version of the policy.
+        #
+        # **Important:** If you use IAM Conditions, you must include the `etag` field
+        # whenever you call `setIamPolicy`. If you omit this field, then IAM allows
+        # you to overwrite a version `3` policy with a version `1` policy, and all of
+        # the conditions in the version `3` policy are lost.
+    "version": 42, # Specifies the format of the policy.
+        #
+        # Valid values are `0`, `1`, and `3`. Requests that specify an invalid value
+        # are rejected.
+        #
+        # Any operation that affects conditional role bindings must specify version
+        # `3`. This requirement applies to the following operations:
+        #
+        # * Getting a policy that includes a conditional role binding
+        # * Adding a conditional role binding to a policy
+        # * Changing a conditional role binding in a policy
+        # * Removing any role binding, with or without a condition, from a policy
+        #   that includes conditions
+        #
+        # **Important:** If you use IAM Conditions, you must include the `etag` field
+        # whenever you call `setIamPolicy`. If you omit this field, then IAM allows
+        # you to overwrite a version `3` policy with a version `1` policy, and all of
+        # the conditions in the version `3` policy are lost.
+        #
+        # If a policy does not include any conditions, operations on that policy may
+        # specify any valid version or leave the field unset.
+  }</pre>
+</div>
+
+<div class="method">
+    <code class="details" id="testIamPermissions">testIamPermissions(resource, body=None, x__xgafv=None)</code>
   <pre>Returns permissions that a caller has on the Identity-Aware Proxy protected
 resource.
 More information about managing access via IAP can be found at:
@@ -479,7 +884,7 @@
 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.
@@ -507,4 +912,264 @@
   }</pre>
 </div>
 
+<div class="method">
+    <code class="details" id="updateIapSettings">updateIapSettings(name, body=None, updateMask=None, x__xgafv=None)</code>
+  <pre>Updates the IAP settings on a particular IAP protected resource. It
+replaces all fields unless the `update_mask` is set.
+
+Args:
+  name: string, Required. The resource name of the IAP protected resource. (required)
+  body: object, The request body.
+    The object takes the form of:
+
+{ # The IAP configurable settings.
+  "applicationSettings": { # Wrapper over application specific settings for IAP. # Top level wrapper for all application related settings in IAP
+    "accessDeniedPageSettings": { # Custom content configuration for access denied page. # Customization for Access Denied page.
+        # IAP allows customers to define a custom URI to use as the error page when
+        # access is denied to users. If IAP prevents access to this page, the default
+        # IAP error page will be displayed instead.
+      "accessDeniedPageUri": "A String", # The URI to be redirected to when access is denied.
+    },
+    "csmSettings": { # Configuration for RCTokens generated for CSM workloads protected by IAP. # Settings to configure IAP's behavior for a CSM mesh.
+        # RCTokens are IAP generated JWTs that can be verified at the application. The
+        # RCToken is primarily used for ISTIO deployments, and can be scoped to a
+        # single mesh by configuring the audience field accordingly
+      "rctokenAud": "A String", # Audience claim set in the generated RCToken. This value is not validated by
+          # IAP.
+    },
+  },
+  "accessSettings": { # Access related settings for IAP protected apps. # Top level wrapper for all access related setting in IAP
+    "oauthSettings": { # Configuration for OAuth login&amp;consent flow behavior as well as for OAuth # Settings to configure IAP's OAuth behavior.
+        # Credentials.
+      "loginHint": "A String", # Domain hint to send as hd=? parameter in OAuth request flow. Enables
+          # redirect to primary IDP by skipping Google's login screen.
+          # https://developers.google.com/identity/protocols/OpenIDConnect#hd-param
+          # Note: IAP does not verify that the id token's hd claim matches this value
+          # since access behavior is managed by IAM policies.
+      "clientId": "A String", # OAuth 2.0 client ID used in the OAuth flow to generate an access token. If
+          # this field is set, you can skip obtaining the OAuth credentials in this
+          # step:
+          # https://developers.google.com/identity/protocols/OAuth2?hl=en_US#1.-obtain-oauth-2.0-credentials-from-the-google-api-console.
+          # However, this could allow for client sharing. The risks of client sharing
+          # are outlined here:
+          # https://cloud.google.com/iap/docs/sharing-oauth-clients#risks.
+    },
+    "corsSettings": { # Allows customers to configure HTTP request paths that'll allow HTTP OPTIONS # Configuration to allow cross-origin requests via IAP.
+        # call to bypass authentication and authorization.
+      "allowHttpOptions": True or False, # Configuration to allow HTTP OPTIONS calls to skip authorization. If
+          # undefined, IAP will not apply any special logic to OPTIONS requests.
+    },
+    "policyDelegationSettings": { # PolicyDelegationConfig allows google-internal teams to use IAP for apps # Settings to configure Policy delegation for apps hosted in tenant projects.
+        # INTERNAL_ONLY.
+        # hosted in a tenant project. Using these settings, the app can delegate
+        # permission check to happen against the linked customer project.
+        # This is only ever supposed to be used by google internal teams, hence the
+        # restriction on the proto.
+      "policyName": { # Policy name to be checked
+        "region": "A String", # For Cloud IAM:
+            # The location of the Policy.
+            # Must be empty or "global" for Policies owned by global IAM.  Must name a
+            # region from prodspec/cloud-iam-cloudspec for Regional IAM Policies, see
+            # http://go/iam-faq#where-is-iam-currently-deployed.
+            #
+            # For Local IAM:
+            # This field should be set to "local".
+        "type": "A String", # Valid values for type might be 'gce', 'gcs', 'project', 'account' etc.
+        "id": "A String",
+      },
+      "iamPermission": "A String", # Permission to check in IAM.
+      "resource": { # IAM resource to check permission on
+        "labels": { # The service defined labels of the resource on which the conditions will be
+            # evaluated. The semantics - including the key names - are vague to IAM.
+            # If the effective condition has a reference to a `resource.labels[foo]`
+            # construct, IAM consults with this map to retrieve the values associated
+            # with `foo` key for Conditions evaluation. If the provided key is not found
+            # in the labels map, the condition would evaluate to false.
+            #
+            # This field is in limited use. If your intended use case is not expected
+            # to express resource.labels attribute in IAM Conditions, leave this field
+            # empty. Before planning on using this attribute please:
+            # * Read go/iam-conditions-labels-comm and ensure your service can meet the
+            #   data availability and management requirements.
+            # * Talk to iam-conditions-eng@ about your use case.
+          "a_key": "A String",
+        },
+        "type": "A String", # The public resource type name of the resource on which conditions will be
+            # evaluated. It is configured using the official_name of the ResourceType as
+            # defined in service configurations under //configs/cloud/resourcetypes.
+            # For example, the official_name for GCP projects is set as
+            # 'cloudresourcemanager.googleapis.com/Project' according to
+            # //configs/cloud/resourcetypes/google/cloud/resourcemanager/prod.yaml
+            # For details see go/iam-conditions-integration-guide.
+        "name": "A String", # Name of the resource on which conditions will be evaluated.
+            # Must use the Relative Resource Name of the resource, which is the URI
+            # path of the resource without the leading "/". Examples are
+            # "projects/_/buckets/[BUCKET-ID]" for storage buckets or
+            # "projects/[PROJECT-ID]/global/firewalls/[FIREWALL-ID]" for a firewall.
+            #
+            # This field is required for evaluating conditions with rules on resource
+            # names. For a `list` permission check, the resource.name value must be set
+            # to the parent resource. If the parent resource is a project, this field
+            # should be left unset.
+        "service": "A String", # The name of the service this resource belongs to. It is configured using
+            # the official_service_name of the Service as defined in service
+            # configurations under //configs/cloud/resourcetypes.
+            # For example, the official_service_name of cloud resource manager service
+            # is set as 'cloudresourcemanager.googleapis.com' according to
+            # //configs/cloud/resourcetypes/google/cloud/resourcemanager/prod.yaml
+      },
+      "iamServiceName": "A String", # The DNS name of the service (e.g. "resourcemanager.googleapis.com").
+          # This should be the domain name part of the full resource names (see
+          # https://aip.dev/122#full-resource-names), which is usually
+          # the same as IamServiceSpec.service of the service where the resource type
+          # is defined.
+    },
+    "gcipSettings": { # Allows customers to configure tenant_id for GCIP instance per-app. # GCIP claims and endpoint configurations for 3p identity providers.
+      "loginPageUri": "A String", # Login page URI associated with the GCIP tenants.
+          # Typically, all resources within the same project share the same login page,
+          # though it could be overridden at the sub resource level.
+      "tenantIds": [ # GCIP tenant ids that are linked to the IAP resource.
+          # tenant_ids could be a string beginning with a number character to indicate
+          # authenticating with GCIP tenant flow, or in the format of _&lt;ProjectNumber&gt;
+          # to indicate authenticating with GCIP agent flow.
+          # If agent flow is used, tenant_ids should only contain one single element,
+          # while for tenant flow, tenant_ids can contain multiple elements.
+        "A String",
+      ],
+    },
+  },
+  "name": "A String", # Required. The resource name of the IAP protected resource.
+}
+
+  updateMask: string, The field mask specifying which IAP settings should be updated.
+If omitted, the all of the settings are updated. See
+https://developers.google.com/protocol-buffers/docs/reference/google.protobuf#fieldmask
+  x__xgafv: string, V1 error format.
+    Allowed values
+      1 - v1 error format
+      2 - v2 error format
+
+Returns:
+  An object of the form:
+
+    { # The IAP configurable settings.
+    "applicationSettings": { # Wrapper over application specific settings for IAP. # Top level wrapper for all application related settings in IAP
+      "accessDeniedPageSettings": { # Custom content configuration for access denied page. # Customization for Access Denied page.
+          # IAP allows customers to define a custom URI to use as the error page when
+          # access is denied to users. If IAP prevents access to this page, the default
+          # IAP error page will be displayed instead.
+        "accessDeniedPageUri": "A String", # The URI to be redirected to when access is denied.
+      },
+      "csmSettings": { # Configuration for RCTokens generated for CSM workloads protected by IAP. # Settings to configure IAP's behavior for a CSM mesh.
+          # RCTokens are IAP generated JWTs that can be verified at the application. The
+          # RCToken is primarily used for ISTIO deployments, and can be scoped to a
+          # single mesh by configuring the audience field accordingly
+        "rctokenAud": "A String", # Audience claim set in the generated RCToken. This value is not validated by
+            # IAP.
+      },
+    },
+    "accessSettings": { # Access related settings for IAP protected apps. # Top level wrapper for all access related setting in IAP
+      "oauthSettings": { # Configuration for OAuth login&amp;consent flow behavior as well as for OAuth # Settings to configure IAP's OAuth behavior.
+          # Credentials.
+        "loginHint": "A String", # Domain hint to send as hd=? parameter in OAuth request flow. Enables
+            # redirect to primary IDP by skipping Google's login screen.
+            # https://developers.google.com/identity/protocols/OpenIDConnect#hd-param
+            # Note: IAP does not verify that the id token's hd claim matches this value
+            # since access behavior is managed by IAM policies.
+        "clientId": "A String", # OAuth 2.0 client ID used in the OAuth flow to generate an access token. If
+            # this field is set, you can skip obtaining the OAuth credentials in this
+            # step:
+            # https://developers.google.com/identity/protocols/OAuth2?hl=en_US#1.-obtain-oauth-2.0-credentials-from-the-google-api-console.
+            # However, this could allow for client sharing. The risks of client sharing
+            # are outlined here:
+            # https://cloud.google.com/iap/docs/sharing-oauth-clients#risks.
+      },
+      "corsSettings": { # Allows customers to configure HTTP request paths that'll allow HTTP OPTIONS # Configuration to allow cross-origin requests via IAP.
+          # call to bypass authentication and authorization.
+        "allowHttpOptions": True or False, # Configuration to allow HTTP OPTIONS calls to skip authorization. If
+            # undefined, IAP will not apply any special logic to OPTIONS requests.
+      },
+      "policyDelegationSettings": { # PolicyDelegationConfig allows google-internal teams to use IAP for apps # Settings to configure Policy delegation for apps hosted in tenant projects.
+          # INTERNAL_ONLY.
+          # hosted in a tenant project. Using these settings, the app can delegate
+          # permission check to happen against the linked customer project.
+          # This is only ever supposed to be used by google internal teams, hence the
+          # restriction on the proto.
+        "policyName": { # Policy name to be checked
+          "region": "A String", # For Cloud IAM:
+              # The location of the Policy.
+              # Must be empty or "global" for Policies owned by global IAM.  Must name a
+              # region from prodspec/cloud-iam-cloudspec for Regional IAM Policies, see
+              # http://go/iam-faq#where-is-iam-currently-deployed.
+              #
+              # For Local IAM:
+              # This field should be set to "local".
+          "type": "A String", # Valid values for type might be 'gce', 'gcs', 'project', 'account' etc.
+          "id": "A String",
+        },
+        "iamPermission": "A String", # Permission to check in IAM.
+        "resource": { # IAM resource to check permission on
+          "labels": { # The service defined labels of the resource on which the conditions will be
+              # evaluated. The semantics - including the key names - are vague to IAM.
+              # If the effective condition has a reference to a `resource.labels[foo]`
+              # construct, IAM consults with this map to retrieve the values associated
+              # with `foo` key for Conditions evaluation. If the provided key is not found
+              # in the labels map, the condition would evaluate to false.
+              #
+              # This field is in limited use. If your intended use case is not expected
+              # to express resource.labels attribute in IAM Conditions, leave this field
+              # empty. Before planning on using this attribute please:
+              # * Read go/iam-conditions-labels-comm and ensure your service can meet the
+              #   data availability and management requirements.
+              # * Talk to iam-conditions-eng@ about your use case.
+            "a_key": "A String",
+          },
+          "type": "A String", # The public resource type name of the resource on which conditions will be
+              # evaluated. It is configured using the official_name of the ResourceType as
+              # defined in service configurations under //configs/cloud/resourcetypes.
+              # For example, the official_name for GCP projects is set as
+              # 'cloudresourcemanager.googleapis.com/Project' according to
+              # //configs/cloud/resourcetypes/google/cloud/resourcemanager/prod.yaml
+              # For details see go/iam-conditions-integration-guide.
+          "name": "A String", # Name of the resource on which conditions will be evaluated.
+              # Must use the Relative Resource Name of the resource, which is the URI
+              # path of the resource without the leading "/". Examples are
+              # "projects/_/buckets/[BUCKET-ID]" for storage buckets or
+              # "projects/[PROJECT-ID]/global/firewalls/[FIREWALL-ID]" for a firewall.
+              #
+              # This field is required for evaluating conditions with rules on resource
+              # names. For a `list` permission check, the resource.name value must be set
+              # to the parent resource. If the parent resource is a project, this field
+              # should be left unset.
+          "service": "A String", # The name of the service this resource belongs to. It is configured using
+              # the official_service_name of the Service as defined in service
+              # configurations under //configs/cloud/resourcetypes.
+              # For example, the official_service_name of cloud resource manager service
+              # is set as 'cloudresourcemanager.googleapis.com' according to
+              # //configs/cloud/resourcetypes/google/cloud/resourcemanager/prod.yaml
+        },
+        "iamServiceName": "A String", # The DNS name of the service (e.g. "resourcemanager.googleapis.com").
+            # This should be the domain name part of the full resource names (see
+            # https://aip.dev/122#full-resource-names), which is usually
+            # the same as IamServiceSpec.service of the service where the resource type
+            # is defined.
+      },
+      "gcipSettings": { # Allows customers to configure tenant_id for GCIP instance per-app. # GCIP claims and endpoint configurations for 3p identity providers.
+        "loginPageUri": "A String", # Login page URI associated with the GCIP tenants.
+            # Typically, all resources within the same project share the same login page,
+            # though it could be overridden at the sub resource level.
+        "tenantIds": [ # GCIP tenant ids that are linked to the IAP resource.
+            # tenant_ids could be a string beginning with a number character to indicate
+            # authenticating with GCIP tenant flow, or in the format of _&lt;ProjectNumber&gt;
+            # to indicate authenticating with GCIP agent flow.
+            # If agent flow is used, tenant_ids should only contain one single element,
+            # while for tenant flow, tenant_ids can contain multiple elements.
+          "A String",
+        ],
+      },
+    },
+    "name": "A String", # Required. The resource name of the IAP protected resource.
+  }</pre>
+</div>
+
 </body></html>
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