chore: regens API reference docs (#889)

diff --git a/docs/dyn/compute_alpha.machineImages.html b/docs/dyn/compute_alpha.machineImages.html
index 1a943ba..a574bbd 100644
--- a/docs/dyn/compute_alpha.machineImages.html
+++ b/docs/dyn/compute_alpha.machineImages.html
@@ -81,22 +81,22 @@
   <code><a href="#get">get(project, machineImage)</a></code></p>
 <p class="firstline">Returns the specified machine image. Gets a list of available machine images by making a list() request.</p>
 <p class="toc_element">
-  <code><a href="#getIamPolicy">getIamPolicy(project, resource)</a></code></p>
+  <code><a href="#getIamPolicy">getIamPolicy(project, resource, optionsRequestedPolicyVersion=None)</a></code></p>
 <p class="firstline">Gets the access control policy for a resource. May be empty if no such policy or resource exists.</p>
 <p class="toc_element">
-  <code><a href="#insert">insert(project, body, sourceInstance=None, requestId=None)</a></code></p>
+  <code><a href="#insert">insert(project, body=None, sourceInstance=None, requestId=None)</a></code></p>
 <p class="firstline">Creates a machine image in the specified project using the data that is included in the request. If you are creating a new machine image to update an existing instance, your new machine image should use the same network or, if applicable, the same subnetwork as the original instance.</p>
 <p class="toc_element">
-  <code><a href="#list">list(project, orderBy=None, maxResults=None, pageToken=None, filter=None)</a></code></p>
+  <code><a href="#list">list(project, orderBy=None, maxResults=None, pageToken=None, returnPartialSuccess=None, filter=None)</a></code></p>
 <p class="firstline">Retrieves a list of machine images that are contained within the specified project.</p>
 <p class="toc_element">
   <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="#setIamPolicy">setIamPolicy(project, resource, body)</a></code></p>
+  <code><a href="#setIamPolicy">setIamPolicy(project, resource, body=None)</a></code></p>
 <p class="firstline">Sets the access control policy on the specified resource. Replaces any existing policy.</p>
 <p class="toc_element">
-  <code><a href="#testIamPermissions">testIamPermissions(project, resource, body)</a></code></p>
+  <code><a href="#testIamPermissions">testIamPermissions(project, resource, body=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">
@@ -117,26 +117,30 @@
 
     { # Represents an Operation resource.
       #
+      # Google Compute Engine has three Operation resources:
+      #
+      # * [Global](/compute/docs/reference/rest/{$api_version}/globalOperations) * [Regional](/compute/docs/reference/rest/{$api_version}/regionOperations) * [Zonal](/compute/docs/reference/rest/{$api_version}/zoneOperations)
+      #
       # You can use an operation resource to manage asynchronous API requests. For more information, read Handling API responses.
       #
       # Operations can be global, regional or zonal.
-      # - For global operations, use the globalOperations resource.
-      # - For regional operations, use the regionOperations resource.
-      # - For zonal operations, use the zonalOperations resource.
+      # - For global operations, use the `globalOperations` resource.
+      # - For regional operations, use the `regionOperations` resource.
+      # - For zonal operations, use the `zonalOperations` resource.
       #
-      # For more information, read  Global, Regional, and Zonal Resources. (== resource_for v1.globalOperations ==) (== resource_for beta.globalOperations ==) (== resource_for v1.regionOperations ==) (== resource_for beta.regionOperations ==) (== resource_for v1.zoneOperations ==) (== resource_for beta.zoneOperations ==)
+      # For more information, read  Global, Regional, and Zonal Resources. (== resource_for {$api_version}.globalOperations ==) (== resource_for {$api_version}.regionOperations ==) (== resource_for {$api_version}.zoneOperations ==)
     "targetId": "A String", # [Output Only] The unique target ID, which identifies a specific incarnation of the target resource.
     "clientOperationId": "A String", # [Output Only] The value of `requestId` if you provided it in the request. Not present otherwise.
     "creationTimestamp": "A String", # [Deprecated] This field is deprecated.
-    "id": "A String", # [Output Only] The unique identifier for the resource. This identifier is defined by the server.
+    "id": "A String", # [Output Only] The unique identifier for the operation. This identifier is defined by the server.
     "zone": "A String", # [Output Only] The URL of the zone where the operation resides. Only applicable when performing per-zone operations.
     "insertTime": "A String", # [Output Only] The time that this operation was requested. This value is in RFC3339 text format.
-    "operationType": "A String", # [Output Only] The type of operation, such as insert, update, or delete, and so on.
-    "httpErrorMessage": "A String", # [Output Only] If the operation fails, this field contains the HTTP error message that was returned, such as NOT FOUND.
+    "operationType": "A String", # [Output Only] The type of operation, such as `insert`, `update`, or `delete`, and so on.
+    "httpErrorMessage": "A String", # [Output Only] If the operation fails, this field contains the HTTP error message that was returned, such as `NOT FOUND`.
     "progress": 42, # [Output Only] An optional progress indicator that ranges from 0 to 100. There is no requirement that this be linear or support any granularity of operations. This should not be used to guess when the operation will be complete. This number should monotonically increase as the operation progresses.
-    "httpErrorStatusCode": 42, # [Output Only] If the operation fails, this field contains the HTTP error status code that was returned. For example, a 404 means the resource was not found.
+    "httpErrorStatusCode": 42, # [Output Only] If the operation fails, this field contains the HTTP error status code that was returned. For example, a `404` means the resource was not found.
     "statusMessage": "A String", # [Output Only] An optional textual description of the current status of the operation.
-    "status": "A String", # [Output Only] The status of the operation, which can be one of the following: PENDING, RUNNING, or DONE.
+    "status": "A String", # [Output Only] The status of the operation, which can be one of the following: `PENDING`, `RUNNING`, or `DONE`.
     "description": "A String", # [Output Only] A textual description of the operation, which is set when the operation is created.
     "warnings": [ # [Output Only] If warning messages are generated during processing of the operation, this field will be populated.
       {
@@ -152,10 +156,10 @@
       },
     ],
     "selfLinkWithId": "A String", # [Output Only] Server-defined URL for this resource with the resource id.
-    "user": "A String", # [Output Only] User who requested the operation, for example: user@example.com.
+    "user": "A String", # [Output Only] User who requested the operation, for example: `user@example.com`.
     "startTime": "A String", # [Output Only] The time that this operation was started by the server. This value is in RFC3339 text format.
-    "kind": "compute#operation", # [Output Only] Type of the resource. Always compute#operation for Operation resources.
-    "name": "A String", # [Output Only] Name of the resource.
+    "kind": "compute#operation", # [Output Only] Type of the resource. Always `compute#operation` for Operation resources.
+    "name": "A String", # [Output Only] Name of the operation.
     "region": "A String", # [Output Only] The URL of the region where the operation resides. Only applicable when performing regional operations.
     "error": { # [Output Only] If errors are generated during processing of the operation, this field will be populated.
       "errors": [ # [Output Only] The array of errors encountered while processing this operation.
@@ -183,7 +187,9 @@
 Returns:
   An object of the form:
 
-    { # Machine image resource.
+    { # Represents a machine image resource.
+        #
+        # A machine image is a Compute Engine resource that stores all the configuration, metadata, permissions, and data from one or more disks required to create a Virtual machine (VM) instance. For more information, see Machine images. (== resource_for {$api_version}.machineImages ==)
       "status": "A String", # [Output Only] The status of the machine image. One of the following values: INVALID, CREATING, READY, DELETING, and UPLOADING.
       "kind": "compute#machineImage", # [Output Only] The resource type, which is always compute#machineImage for machine image.
       "machineImageEncryptionKey": { # Represents a customer-supplied encryption key # Encrypts the machine image using a customer-supplied encryption key.
@@ -194,7 +200,7 @@
           #
           # If you do not provide an encryption key when creating the machine image, then the machine image will be encrypted using an automatically generated key and you do not need to provide a key to use the machine image later.
         "rawKey": "A String", # Specifies a 256-bit customer-supplied encryption key, encoded in RFC 4648 base64 to either encrypt or decrypt this resource.
-        "kmsKeyServiceAccount": "A String",
+        "kmsKeyServiceAccount": "A String", # The service account being used for the encryption request for the given KMS key. If absent, the Compute Engine default service account is used.
         "sha256": "A String", # [Output only] The RFC 4648 base64 encoded SHA-256 hash of the customer-supplied encryption key that protects this resource.
         "rsaEncryptedKey": "A String", # Specifies an RFC 4648 base64 encoded, RSA-wrapped 2048-bit customer-supplied encryption key to either encrypt or decrypt this resource.
             #
@@ -210,7 +216,7 @@
           { # An instance-attached disk resource.
             "diskEncryptionKey": { # Represents a customer-supplied encryption key # The encryption key for the disk.
               "rawKey": "A String", # Specifies a 256-bit customer-supplied encryption key, encoded in RFC 4648 base64 to either encrypt or decrypt this resource.
-              "kmsKeyServiceAccount": "A String",
+              "kmsKeyServiceAccount": "A String", # The service account being used for the encryption request for the given KMS key. If absent, the Compute Engine default service account is used.
               "sha256": "A String", # [Output only] The RFC 4648 base64 encoded SHA-256 hash of the customer-supplied encryption key that protects this resource.
               "rsaEncryptedKey": "A String", # Specifies an RFC 4648 base64 encoded, RSA-wrapped 2048-bit customer-supplied encryption key to either encrypt or decrypt this resource.
                   #
@@ -227,6 +233,7 @@
             "index": 42, # Specifies zero-based index of the disk that is attached to the source instance.
             "type": "A String", # Specifies the type of the attached disk, either SCRATCH or PERSISTENT.
             "boot": True or False, # Indicates that this is a boot disk. The virtual machine will use the first partition of the disk for its root filesystem.
+            "diskType": "A String", # [Output Only] URL of the disk type resource. For example: projects/project/zones/zone/diskTypes/pd-standard or pd-ssd
             "guestOsFeatures": [ # A list of features to enable on the guest operating system. Applicable only for bootable images. Read  Enabling guest operating system features to see a list of available options.
               { # Guest OS features.
                 "type": "A String", # The ID of a supported feature. Read  Enabling guest operating system features to see a list of available options.
@@ -270,7 +277,7 @@
               { # An access configuration attached to an instance's network interface. Only one access config per instance is supported.
                 "kind": "compute#accessConfig", # [Output Only] Type of the resource. Always compute#accessConfig for access configs.
                 "name": "A String", # The name of this access configuration. The default and recommended name is External NAT, but you can use any arbitrary string, such as My external IP or Network Access.
-                "setPublicDns": True or False, # Specifies whether a public DNS ?A? record should be created for the external IP address of this access configuration.
+                "setPublicDns": True or False, # Specifies whether a public DNS 'A' record should be created for the external IP address of this access configuration.
                 "publicDnsName": "A String", # [Output Only] The public DNS domain name for the instance.
                 "networkTier": "A String", # This signifies the networking tier used for configuring this access configuration and can only take the following values: PREMIUM, STANDARD.
                     #
@@ -297,23 +304,29 @@
           },
         ],
         "minCpuPlatform": "A String", # Minimum cpu/platform to be used by instances created from this machine image. The instance may be scheduled on the specified or newer cpu/platform. Applicable values are the friendly names of CPU platforms, such as minCpuPlatform: "Intel Haswell" or minCpuPlatform: "Intel Sandy Bridge". For more information, read Specifying a Minimum CPU Platform.
-        "scheduling": { # Sets the scheduling options for an Instance. NextID: 9 # Specifies the scheduling options for the instances that are created from this machine image.
-          "preemptible": True or False, # Defines whether the instance is preemptible. This can only be set during instance creation, it cannot be set or changed after the instance has been created.
-          "nodeAffinities": [ # A set of node affinity and anti-affinity.
+        "scheduling": { # Sets the scheduling options for an Instance. NextID: 10 # Specifies the scheduling options for the instances that are created from this machine image.
+          "longTermRelease": True or False, # Compute Engine Long Term Release. When specified, VMs that have this policy become long term release (internal: stable fleet) VMs.
+              #
+              # For all VM shapes, this should result in fewer disruptions due to software updates and greater predictability via 1 week extended notifications.
+              #
+              # For GPU VMs, this should also result in an 2 week uptime guarantee. See go/stable-fleet-gpus-design for more details.
+          "minNodeCpus": 42, # The minimum number of virtual CPUs this instance will consume when running on a sole-tenant node.
+          "automaticRestart": True or False, # Specifies whether the instance should be automatically restarted if it is terminated by Compute Engine (not terminated by a user). You can only set the automatic restart option for standard instances. Preemptible instances cannot be automatically restarted.
+              #
+              # By default, this is set to true so an instance is automatically restarted if it is terminated by Compute Engine.
+          "locationHint": "A String", # An opaque location hint used to place the instance close to other resources. This field is for use by internal tools that use the public API.
+          "onHostMaintenance": "A String", # Defines the maintenance behavior for this instance. For standard instances, the default behavior is MIGRATE. For preemptible instances, the default and only possible behavior is TERMINATE. For more information, see Setting Instance Scheduling Options.
+          "nodeAffinities": [ # A set of node affinity and anti-affinity configurations. Refer to Configuring node affinity for more information. Overrides reservationAffinity.
             { # Node Affinity: the configuration of desired nodes onto which this Instance could be scheduled.
-              "operator": "A String", # Defines the operation of node selection.
+              "operator": "A String", # Defines the operation of node selection. Valid operators are IN for affinity and NOT_IN for anti-affinity.
               "values": [ # Corresponds to the label values of Node resource.
                 "A String",
               ],
               "key": "A String", # Corresponds to the label key of Node resource.
             },
           ],
-          "onHostMaintenance": "A String", # Defines the maintenance behavior for this instance. For standard instances, the default behavior is MIGRATE. For preemptible instances, the default and only possible behavior is TERMINATE. For more information, see Setting Instance Scheduling Options.
-          "automaticRestart": True or False, # Specifies whether the instance should be automatically restarted if it is terminated by Compute Engine (not terminated by a user). You can only set the automatic restart option for standard instances. Preemptible instances cannot be automatically restarted.
-              #
-              # By default, this is set to true so an instance is automatically restarted if it is terminated by Compute Engine.
           "latencyTolerant": True or False, # Defines whether the instance is tolerant of higher cpu latency. This can only be set during instance creation, or when the instance is not currently running. It must not be set if the preemptible option is also set.
-          "minNodeCpus": 42, # The minimum number of virtual CPUs this instance will consume when running on a sole-tenant node.
+          "preemptible": True or False, # Defines whether the instance is preemptible. This can only be set during instance creation, it cannot be set or changed after the instance has been created.
         },
         "machineType": "A String", # The machine type to use for instances that are created from this machine image.
         "serviceAccounts": [ # A list of service accounts with specified scopes. Access tokens for these service accounts are available to the instances that are created from this machine image. Use metadata queries to obtain the access tokens for these instances.
@@ -355,7 +368,7 @@
         {
           "diskEncryptionKey": { # Represents a customer-supplied encryption key # The customer-supplied encryption key of the source disk. Required if the source disk is protected by a customer-supplied encryption key.
             "rawKey": "A String", # Specifies a 256-bit customer-supplied encryption key, encoded in RFC 4648 base64 to either encrypt or decrypt this resource.
-            "kmsKeyServiceAccount": "A String",
+            "kmsKeyServiceAccount": "A String", # The service account being used for the encryption request for the given KMS key. If absent, the Compute Engine default service account is used.
             "sha256": "A String", # [Output only] The RFC 4648 base64 encoded SHA-256 hash of the customer-supplied encryption key that protects this resource.
             "rsaEncryptedKey": "A String", # Specifies an RFC 4648 base64 encoded, RSA-wrapped 2048-bit customer-supplied encryption key to either encrypt or decrypt this resource.
                 #
@@ -372,6 +385,7 @@
         },
       ],
       "guestFlush": True or False, # [Input Only] Specifies to create an application consistent machine image by informing the OS to prepare for the snapshot process. Currently only supported on Windows instances using the Volume Shadow Copy Service (VSS).
+      "totalStorageBytes": "A String", # [Output Only] Total size of the storage used by the machine image.
       "creationTimestamp": "A String", # [Output Only] The creation timestamp for this machine image in RFC3339 text format.
       "id": "A String", # [Output Only] A unique identifier for this machine image. The server defines this identifier.
       "selfLink": "A String", # [Output Only] The URL for this machine image. The server defines this URL.
@@ -380,33 +394,34 @@
 </div>
 
 <div class="method">
-    <code class="details" id="getIamPolicy">getIamPolicy(project, resource)</code>
+    <code class="details" id="getIamPolicy">getIamPolicy(project, resource, optionsRequestedPolicyVersion=None)</code>
   <pre>Gets the access control policy for a resource. May be empty if no such policy or resource exists.
 
 Args:
   project: string, Project ID for this request. (required)
   resource: string, Name or id of the resource for this request. (required)
+  optionsRequestedPolicyVersion: integer, Requested IAM Policy version.
 
 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.
       #
-      # { "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"] } ] }
+      # **JSON example:**
       #
-      # **YAML 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 }
       #
-      # 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
+      # **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 developer's guide](https://cloud.google.com/iam/docs).
+      # For a description of IAM and its features, see the [IAM documentation](https://cloud.google.com/iam/docs/).
     "auditConfigs": [ # Specifies cloud audit logging configuration for this policy.
       { # Specifies the audit configuration for a service. The configuration determines which permission types are logged, and what identities, if any, are exempted from logging. An AuditConfig must have one or more AuditLogConfigs.
           #
@@ -414,21 +429,22 @@
           #
           # Example Policy with multiple AuditConfigs:
           #
-          # { "audit_configs": [ { "service": "allServices" "audit_log_configs": [ { "log_type": "DATA_READ", "exempted_members": [ "user:foo@gmail.com" ] }, { "log_type": "DATA_WRITE", }, { "log_type": "ADMIN_READ", } ] }, { "service": "fooservice.googleapis.com" "audit_log_configs": [ { "log_type": "DATA_READ", }, { "log_type": "DATA_WRITE", "exempted_members": [ "user:bar@gmail.com" ] } ] } ] }
+          # { "audit_configs": [ { "service": "allServices" "audit_log_configs": [ { "log_type": "DATA_READ", "exempted_members": [ "user:jose@example.com" ] }, { "log_type": "DATA_WRITE", }, { "log_type": "ADMIN_READ", } ] }, { "service": "sampleservice.googleapis.com" "audit_log_configs": [ { "log_type": "DATA_READ", }, { "log_type": "DATA_WRITE", "exempted_members": [ "user:aliya@example.com" ] } ] } ] }
           #
-          # For fooservice, this policy enables DATA_READ, DATA_WRITE and ADMIN_READ logging. It also exempts foo@gmail.com from DATA_READ logging, and bar@gmail.com from DATA_WRITE logging.
+          # For sampleservice, this policy enables DATA_READ, DATA_WRITE and ADMIN_READ logging. It also exempts jose@example.com from DATA_READ logging, and aliya@example.com from DATA_WRITE logging.
         "exemptedMembers": [
           "A String",
         ],
         "auditLogConfigs": [ # The configuration for logging of each type of permission.
           { # Provides the configuration for logging a type of permissions. Example:
               #
-              # { "audit_log_configs": [ { "log_type": "DATA_READ", "exempted_members": [ "user:foo@gmail.com" ] }, { "log_type": "DATA_WRITE", } ] }
+              # { "audit_log_configs": [ { "log_type": "DATA_READ", "exempted_members": [ "user:jose@example.com" ] }, { "log_type": "DATA_WRITE", } ] }
               #
-              # This enables 'DATA_READ' and 'DATA_WRITE' logging, while exempting foo@gmail.com from DATA_READ logging.
+              # This enables 'DATA_READ' and 'DATA_WRITE' logging, while exempting jose@example.com from DATA_READ logging.
             "exemptedMembers": [ # Specifies the identities that do not cause logging for this type of permission. Follows the same format of [Binding.members][].
               "A String",
             ],
+            "ignoreChildExemptions": True or False,
             "logType": "A String", # The log type that this config enables.
           },
         ],
@@ -447,14 +463,18 @@
                 #
                 # Supported field names: - "authority", which is "[token]" if IAMContext.token is present, otherwise the value of IAMContext.authority_selector if present, and otherwise a representation of IAMContext.principal; or - "iam_principal", a representation of IAMContext.principal even if a token or authority selector is present; or - "" (empty string), resulting in a counter with no fields.
                 #
-                # Examples: counter { metric: "/debug_access_count" field: "iam_principal" } ==> increment counter /iam/policy/backend_debug_access_count {iam_principal=[value of IAMContext.principal]}
-                #
-                # At this time we do not support multiple field names (though this may be supported in the future).
+                # Examples: counter { metric: "/debug_access_count" field: "iam_principal" } ==&gt; increment counter /iam/policy/debug_access_count {iam_principal=[value of IAMContext.principal]}
               "field": "A String", # The field value to attribute.
+              "customFields": [ # Custom fields.
+                { # Custom fields. These can be used to create a counter with arbitrary field/value pairs. See: go/rpcsp-custom-fields.
+                  "name": "A String", # Name is the field name.
+                  "value": "A String", # Value is the field value. It is important that in contrast to the CounterOptions.field, the value here is a constant that is not derived from the IAMContext.
+                },
+              ],
               "metric": "A String", # The metric to update.
             },
             "dataAccess": { # Write a Data Access (Gin) log # Data access options.
-              "logMode": "A String", # Whether Gin logging should happen in a fail-closed manner at the caller. This is relevant only in the LocalIAM implementation, for now.
+              "logMode": "A String", # Whether Gin logging should happen in a fail-closed manner at the caller. This is currently supported in the LocalIAM implementation, Stubby C++, and Stubby Java. For Apps Framework, see go/af-audit-logging#failclosed. TODO(b/77591626): Add support for Stubby Go. TODO(b/129671387): Add support for Scaffolding.
             },
             "cloudAudit": { # Write a Cloud Audit log # Cloud audit options.
               "logName": "A String", # The log_name to populate in the Cloud Audit Record.
@@ -488,11 +508,21 @@
         "description": "A String", # Human-readable description of the rule.
       },
     ],
-    "version": 42, # Deprecated.
+    "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.
     "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.
-    "bindings": [ # Associates a list of `members` to a `role`. `bindings` with no members will result in an error.
+        # **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.
+    "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:
@@ -501,7 +531,7 @@
             #
             # * `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` .
+            # * `user:{emailid}`: An email address that represents a specific Google account. For example, `alice@example.com` .
             #
             #
             #
@@ -509,20 +539,40 @@
             #
             # * `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 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.
+        "condition": { # Represents a textual expression in the Common Expression Language (CEL) syntax. CEL is a C-like expression language. The syntax and semantics of CEL are documented at https://github.com/google/cel-spec. # 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"
-          "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.
+            # 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.
+          "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.
           "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.
-          "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.
+          "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.
+          "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.
         },
       },
     ],
@@ -531,15 +581,17 @@
 </div>
 
 <div class="method">
-    <code class="details" id="insert">insert(project, body, sourceInstance=None, requestId=None)</code>
+    <code class="details" id="insert">insert(project, body=None, sourceInstance=None, requestId=None)</code>
   <pre>Creates a machine image in the specified project using the data that is included in the request. If you are creating a new machine image to update an existing instance, your new machine image should use the same network or, if applicable, the same subnetwork as the original instance.
 
 Args:
   project: string, Project ID for this request. (required)
-  body: object, The request body. (required)
+  body: object, The request body.
     The object takes the form of:
 
-{ # Machine image resource.
+{ # Represents a machine image resource.
+      # 
+      # A machine image is a Compute Engine resource that stores all the configuration, metadata, permissions, and data from one or more disks required to create a Virtual machine (VM) instance. For more information, see Machine images. (== resource_for {$api_version}.machineImages ==)
     "status": "A String", # [Output Only] The status of the machine image. One of the following values: INVALID, CREATING, READY, DELETING, and UPLOADING.
     "kind": "compute#machineImage", # [Output Only] The resource type, which is always compute#machineImage for machine image.
     "machineImageEncryptionKey": { # Represents a customer-supplied encryption key # Encrypts the machine image using a customer-supplied encryption key.
@@ -550,7 +602,7 @@
         # 
         # If you do not provide an encryption key when creating the machine image, then the machine image will be encrypted using an automatically generated key and you do not need to provide a key to use the machine image later.
       "rawKey": "A String", # Specifies a 256-bit customer-supplied encryption key, encoded in RFC 4648 base64 to either encrypt or decrypt this resource.
-      "kmsKeyServiceAccount": "A String",
+      "kmsKeyServiceAccount": "A String", # The service account being used for the encryption request for the given KMS key. If absent, the Compute Engine default service account is used.
       "sha256": "A String", # [Output only] The RFC 4648 base64 encoded SHA-256 hash of the customer-supplied encryption key that protects this resource.
       "rsaEncryptedKey": "A String", # Specifies an RFC 4648 base64 encoded, RSA-wrapped 2048-bit customer-supplied encryption key to either encrypt or decrypt this resource.
           #
@@ -566,7 +618,7 @@
         { # An instance-attached disk resource.
           "diskEncryptionKey": { # Represents a customer-supplied encryption key # The encryption key for the disk.
             "rawKey": "A String", # Specifies a 256-bit customer-supplied encryption key, encoded in RFC 4648 base64 to either encrypt or decrypt this resource.
-            "kmsKeyServiceAccount": "A String",
+            "kmsKeyServiceAccount": "A String", # The service account being used for the encryption request for the given KMS key. If absent, the Compute Engine default service account is used.
             "sha256": "A String", # [Output only] The RFC 4648 base64 encoded SHA-256 hash of the customer-supplied encryption key that protects this resource.
             "rsaEncryptedKey": "A String", # Specifies an RFC 4648 base64 encoded, RSA-wrapped 2048-bit customer-supplied encryption key to either encrypt or decrypt this resource.
                 #
@@ -583,6 +635,7 @@
           "index": 42, # Specifies zero-based index of the disk that is attached to the source instance.
           "type": "A String", # Specifies the type of the attached disk, either SCRATCH or PERSISTENT.
           "boot": True or False, # Indicates that this is a boot disk. The virtual machine will use the first partition of the disk for its root filesystem.
+          "diskType": "A String", # [Output Only] URL of the disk type resource. For example: projects/project/zones/zone/diskTypes/pd-standard or pd-ssd
           "guestOsFeatures": [ # A list of features to enable on the guest operating system. Applicable only for bootable images. Read  Enabling guest operating system features to see a list of available options.
             { # Guest OS features.
               "type": "A String", # The ID of a supported feature. Read  Enabling guest operating system features to see a list of available options.
@@ -626,7 +679,7 @@
             { # An access configuration attached to an instance's network interface. Only one access config per instance is supported.
               "kind": "compute#accessConfig", # [Output Only] Type of the resource. Always compute#accessConfig for access configs.
               "name": "A String", # The name of this access configuration. The default and recommended name is External NAT, but you can use any arbitrary string, such as My external IP or Network Access.
-              "setPublicDns": True or False, # Specifies whether a public DNS ?A? record should be created for the external IP address of this access configuration.
+              "setPublicDns": True or False, # Specifies whether a public DNS 'A' record should be created for the external IP address of this access configuration.
               "publicDnsName": "A String", # [Output Only] The public DNS domain name for the instance.
               "networkTier": "A String", # This signifies the networking tier used for configuring this access configuration and can only take the following values: PREMIUM, STANDARD.
                   #
@@ -653,23 +706,29 @@
         },
       ],
       "minCpuPlatform": "A String", # Minimum cpu/platform to be used by instances created from this machine image. The instance may be scheduled on the specified or newer cpu/platform. Applicable values are the friendly names of CPU platforms, such as minCpuPlatform: "Intel Haswell" or minCpuPlatform: "Intel Sandy Bridge". For more information, read Specifying a Minimum CPU Platform.
-      "scheduling": { # Sets the scheduling options for an Instance. NextID: 9 # Specifies the scheduling options for the instances that are created from this machine image.
-        "preemptible": True or False, # Defines whether the instance is preemptible. This can only be set during instance creation, it cannot be set or changed after the instance has been created.
-        "nodeAffinities": [ # A set of node affinity and anti-affinity.
+      "scheduling": { # Sets the scheduling options for an Instance. NextID: 10 # Specifies the scheduling options for the instances that are created from this machine image.
+        "longTermRelease": True or False, # Compute Engine Long Term Release. When specified, VMs that have this policy become long term release (internal: stable fleet) VMs.
+            #
+            # For all VM shapes, this should result in fewer disruptions due to software updates and greater predictability via 1 week extended notifications.
+            #
+            # For GPU VMs, this should also result in an 2 week uptime guarantee. See go/stable-fleet-gpus-design for more details.
+        "minNodeCpus": 42, # The minimum number of virtual CPUs this instance will consume when running on a sole-tenant node.
+        "automaticRestart": True or False, # Specifies whether the instance should be automatically restarted if it is terminated by Compute Engine (not terminated by a user). You can only set the automatic restart option for standard instances. Preemptible instances cannot be automatically restarted.
+            #
+            # By default, this is set to true so an instance is automatically restarted if it is terminated by Compute Engine.
+        "locationHint": "A String", # An opaque location hint used to place the instance close to other resources. This field is for use by internal tools that use the public API.
+        "onHostMaintenance": "A String", # Defines the maintenance behavior for this instance. For standard instances, the default behavior is MIGRATE. For preemptible instances, the default and only possible behavior is TERMINATE. For more information, see Setting Instance Scheduling Options.
+        "nodeAffinities": [ # A set of node affinity and anti-affinity configurations. Refer to Configuring node affinity for more information. Overrides reservationAffinity.
           { # Node Affinity: the configuration of desired nodes onto which this Instance could be scheduled.
-            "operator": "A String", # Defines the operation of node selection.
+            "operator": "A String", # Defines the operation of node selection. Valid operators are IN for affinity and NOT_IN for anti-affinity.
             "values": [ # Corresponds to the label values of Node resource.
               "A String",
             ],
             "key": "A String", # Corresponds to the label key of Node resource.
           },
         ],
-        "onHostMaintenance": "A String", # Defines the maintenance behavior for this instance. For standard instances, the default behavior is MIGRATE. For preemptible instances, the default and only possible behavior is TERMINATE. For more information, see Setting Instance Scheduling Options.
-        "automaticRestart": True or False, # Specifies whether the instance should be automatically restarted if it is terminated by Compute Engine (not terminated by a user). You can only set the automatic restart option for standard instances. Preemptible instances cannot be automatically restarted.
-            #
-            # By default, this is set to true so an instance is automatically restarted if it is terminated by Compute Engine.
         "latencyTolerant": True or False, # Defines whether the instance is tolerant of higher cpu latency. This can only be set during instance creation, or when the instance is not currently running. It must not be set if the preemptible option is also set.
-        "minNodeCpus": 42, # The minimum number of virtual CPUs this instance will consume when running on a sole-tenant node.
+        "preemptible": True or False, # Defines whether the instance is preemptible. This can only be set during instance creation, it cannot be set or changed after the instance has been created.
       },
       "machineType": "A String", # The machine type to use for instances that are created from this machine image.
       "serviceAccounts": [ # A list of service accounts with specified scopes. Access tokens for these service accounts are available to the instances that are created from this machine image. Use metadata queries to obtain the access tokens for these instances.
@@ -711,7 +770,7 @@
       {
         "diskEncryptionKey": { # Represents a customer-supplied encryption key # The customer-supplied encryption key of the source disk. Required if the source disk is protected by a customer-supplied encryption key.
           "rawKey": "A String", # Specifies a 256-bit customer-supplied encryption key, encoded in RFC 4648 base64 to either encrypt or decrypt this resource.
-          "kmsKeyServiceAccount": "A String",
+          "kmsKeyServiceAccount": "A String", # The service account being used for the encryption request for the given KMS key. If absent, the Compute Engine default service account is used.
           "sha256": "A String", # [Output only] The RFC 4648 base64 encoded SHA-256 hash of the customer-supplied encryption key that protects this resource.
           "rsaEncryptedKey": "A String", # Specifies an RFC 4648 base64 encoded, RSA-wrapped 2048-bit customer-supplied encryption key to either encrypt or decrypt this resource.
               #
@@ -728,6 +787,7 @@
       },
     ],
     "guestFlush": True or False, # [Input Only] Specifies to create an application consistent machine image by informing the OS to prepare for the snapshot process. Currently only supported on Windows instances using the Volume Shadow Copy Service (VSS).
+    "totalStorageBytes": "A String", # [Output Only] Total size of the storage used by the machine image.
     "creationTimestamp": "A String", # [Output Only] The creation timestamp for this machine image in RFC3339 text format.
     "id": "A String", # [Output Only] A unique identifier for this machine image. The server defines this identifier.
     "selfLink": "A String", # [Output Only] The URL for this machine image. The server defines this URL.
@@ -746,26 +806,30 @@
 
     { # Represents an Operation resource.
       #
+      # Google Compute Engine has three Operation resources:
+      #
+      # * [Global](/compute/docs/reference/rest/{$api_version}/globalOperations) * [Regional](/compute/docs/reference/rest/{$api_version}/regionOperations) * [Zonal](/compute/docs/reference/rest/{$api_version}/zoneOperations)
+      #
       # You can use an operation resource to manage asynchronous API requests. For more information, read Handling API responses.
       #
       # Operations can be global, regional or zonal.
-      # - For global operations, use the globalOperations resource.
-      # - For regional operations, use the regionOperations resource.
-      # - For zonal operations, use the zonalOperations resource.
+      # - For global operations, use the `globalOperations` resource.
+      # - For regional operations, use the `regionOperations` resource.
+      # - For zonal operations, use the `zonalOperations` resource.
       #
-      # For more information, read  Global, Regional, and Zonal Resources. (== resource_for v1.globalOperations ==) (== resource_for beta.globalOperations ==) (== resource_for v1.regionOperations ==) (== resource_for beta.regionOperations ==) (== resource_for v1.zoneOperations ==) (== resource_for beta.zoneOperations ==)
+      # For more information, read  Global, Regional, and Zonal Resources. (== resource_for {$api_version}.globalOperations ==) (== resource_for {$api_version}.regionOperations ==) (== resource_for {$api_version}.zoneOperations ==)
     "targetId": "A String", # [Output Only] The unique target ID, which identifies a specific incarnation of the target resource.
     "clientOperationId": "A String", # [Output Only] The value of `requestId` if you provided it in the request. Not present otherwise.
     "creationTimestamp": "A String", # [Deprecated] This field is deprecated.
-    "id": "A String", # [Output Only] The unique identifier for the resource. This identifier is defined by the server.
+    "id": "A String", # [Output Only] The unique identifier for the operation. This identifier is defined by the server.
     "zone": "A String", # [Output Only] The URL of the zone where the operation resides. Only applicable when performing per-zone operations.
     "insertTime": "A String", # [Output Only] The time that this operation was requested. This value is in RFC3339 text format.
-    "operationType": "A String", # [Output Only] The type of operation, such as insert, update, or delete, and so on.
-    "httpErrorMessage": "A String", # [Output Only] If the operation fails, this field contains the HTTP error message that was returned, such as NOT FOUND.
+    "operationType": "A String", # [Output Only] The type of operation, such as `insert`, `update`, or `delete`, and so on.
+    "httpErrorMessage": "A String", # [Output Only] If the operation fails, this field contains the HTTP error message that was returned, such as `NOT FOUND`.
     "progress": 42, # [Output Only] An optional progress indicator that ranges from 0 to 100. There is no requirement that this be linear or support any granularity of operations. This should not be used to guess when the operation will be complete. This number should monotonically increase as the operation progresses.
-    "httpErrorStatusCode": 42, # [Output Only] If the operation fails, this field contains the HTTP error status code that was returned. For example, a 404 means the resource was not found.
+    "httpErrorStatusCode": 42, # [Output Only] If the operation fails, this field contains the HTTP error status code that was returned. For example, a `404` means the resource was not found.
     "statusMessage": "A String", # [Output Only] An optional textual description of the current status of the operation.
-    "status": "A String", # [Output Only] The status of the operation, which can be one of the following: PENDING, RUNNING, or DONE.
+    "status": "A String", # [Output Only] The status of the operation, which can be one of the following: `PENDING`, `RUNNING`, or `DONE`.
     "description": "A String", # [Output Only] A textual description of the operation, which is set when the operation is created.
     "warnings": [ # [Output Only] If warning messages are generated during processing of the operation, this field will be populated.
       {
@@ -781,10 +845,10 @@
       },
     ],
     "selfLinkWithId": "A String", # [Output Only] Server-defined URL for this resource with the resource id.
-    "user": "A String", # [Output Only] User who requested the operation, for example: user@example.com.
+    "user": "A String", # [Output Only] User who requested the operation, for example: `user@example.com`.
     "startTime": "A String", # [Output Only] The time that this operation was started by the server. This value is in RFC3339 text format.
-    "kind": "compute#operation", # [Output Only] Type of the resource. Always compute#operation for Operation resources.
-    "name": "A String", # [Output Only] Name of the resource.
+    "kind": "compute#operation", # [Output Only] Type of the resource. Always `compute#operation` for Operation resources.
+    "name": "A String", # [Output Only] Name of the operation.
     "region": "A String", # [Output Only] The URL of the region where the operation resides. Only applicable when performing regional operations.
     "error": { # [Output Only] If errors are generated during processing of the operation, this field will be populated.
       "errors": [ # [Output Only] The array of errors encountered while processing this operation.
@@ -802,25 +866,26 @@
 </div>
 
 <div class="method">
-    <code class="details" id="list">list(project, orderBy=None, maxResults=None, pageToken=None, filter=None)</code>
+    <code class="details" id="list">list(project, orderBy=None, maxResults=None, pageToken=None, returnPartialSuccess=None, filter=None)</code>
   <pre>Retrieves a list of machine images that are contained within the specified project.
 
 Args:
   project: string, Project ID for this request. (required)
   orderBy: string, Sorts list results by a certain order. By default, results are returned in alphanumerical order based on the resource name.
 
-You can also sort results in descending order based on the creation timestamp using orderBy="creationTimestamp desc". This sorts results based on the creationTimestamp field in reverse chronological order (newest result first). Use this to sort resources like operations so that the newest operation is returned first.
+You can also sort results in descending order based on the creation timestamp using `orderBy="creationTimestamp desc"`. This sorts results based on the `creationTimestamp` field in reverse chronological order (newest result first). Use this to sort resources like operations so that the newest operation is returned first.
 
-Currently, only sorting by name or creationTimestamp desc is supported.
-  maxResults: integer, The maximum number of results per page that should be returned. If the number of available results is larger than maxResults, Compute Engine returns a nextPageToken that can be used to get the next page of results in subsequent list requests. Acceptable values are 0 to 500, inclusive. (Default: 500)
-  pageToken: string, Specifies a page token to use. Set pageToken to the nextPageToken returned by a previous list request to get the next page of results.
-  filter: string, A filter expression that filters resources listed in the response. The expression must specify the field name, a comparison operator, and the value that you want to use for filtering. The value must be a string, a number, or a boolean. The comparison operator must be either =, !=, >, or <.
+Currently, only sorting by `name` or `creationTimestamp desc` is supported.
+  maxResults: integer, The maximum number of results per page that should be returned. If the number of available results is larger than `maxResults`, Compute Engine returns a `nextPageToken` that can be used to get the next page of results in subsequent list requests. Acceptable values are `0` to `500`, inclusive. (Default: `500`)
+  pageToken: string, Specifies a page token to use. Set `pageToken` to the `nextPageToken` returned by a previous list request to get the next page of results.
+  returnPartialSuccess: boolean, Opt-in for partial success behavior which provides partial results in case of failure. The default value is false and the logic is the same as today.
+  filter: string, A filter expression that filters resources listed in the response. The expression must specify the field name, a comparison operator, and the value that you want to use for filtering. The value must be a string, a number, or a boolean. The comparison operator must be either `=`, `!=`, `&gt;`, or `&lt;`.
 
-For example, if you are filtering Compute Engine instances, you can exclude instances named example-instance by specifying name != example-instance.
+For example, if you are filtering Compute Engine instances, you can exclude instances named `example-instance` by specifying `name != example-instance`.
 
-You can also filter nested fields. For example, you could specify scheduling.automaticRestart = false to include instances only if they are not scheduled for automatic restarts. You can use filtering on nested fields to filter based on resource labels.
+You can also filter nested fields. For example, you could specify `scheduling.automaticRestart = false` to include instances only if they are not scheduled for automatic restarts. You can use filtering on nested fields to filter based on resource labels.
 
-To filter on multiple expressions, provide each separate expression within parentheses. For example, (scheduling.automaticRestart = true) (cpuPlatform = "Intel Skylake"). By default, each expression is an AND expression. However, you can include AND and OR expressions explicitly. For example, (cpuPlatform = "Intel Skylake") OR (cpuPlatform = "Intel Broadwell") AND (scheduling.automaticRestart = true).
+To filter on multiple expressions, provide each separate expression within parentheses. For example: ``` (scheduling.automaticRestart = true) (cpuPlatform = "Intel Skylake") ``` By default, each expression is an `AND` expression. However, you can include `AND` and `OR` expressions explicitly. For example: ``` (cpuPlatform = "Intel Skylake") OR (cpuPlatform = "Intel Broadwell") AND (scheduling.automaticRestart = true) ```
 
 Returns:
   An object of the form:
@@ -829,7 +894,9 @@
     "nextPageToken": "A String", # [Output Only] This token allows you to get the next page of results for list requests. If the number of results is larger than maxResults, use the nextPageToken as a value for the query parameter pageToken in the next list request. Subsequent list requests will have their own nextPageToken to continue paging through the results.
     "kind": "compute#machineImageList", # [Output Only] The resource type, which is always compute#machineImagesListResponse for machine image lists.
     "items": [ # A list of MachineImage resources.
-      { # Machine image resource.
+      { # Represents a machine image resource.
+            #
+            # A machine image is a Compute Engine resource that stores all the configuration, metadata, permissions, and data from one or more disks required to create a Virtual machine (VM) instance. For more information, see Machine images. (== resource_for {$api_version}.machineImages ==)
           "status": "A String", # [Output Only] The status of the machine image. One of the following values: INVALID, CREATING, READY, DELETING, and UPLOADING.
           "kind": "compute#machineImage", # [Output Only] The resource type, which is always compute#machineImage for machine image.
           "machineImageEncryptionKey": { # Represents a customer-supplied encryption key # Encrypts the machine image using a customer-supplied encryption key.
@@ -840,7 +907,7 @@
               #
               # If you do not provide an encryption key when creating the machine image, then the machine image will be encrypted using an automatically generated key and you do not need to provide a key to use the machine image later.
             "rawKey": "A String", # Specifies a 256-bit customer-supplied encryption key, encoded in RFC 4648 base64 to either encrypt or decrypt this resource.
-            "kmsKeyServiceAccount": "A String",
+            "kmsKeyServiceAccount": "A String", # The service account being used for the encryption request for the given KMS key. If absent, the Compute Engine default service account is used.
             "sha256": "A String", # [Output only] The RFC 4648 base64 encoded SHA-256 hash of the customer-supplied encryption key that protects this resource.
             "rsaEncryptedKey": "A String", # Specifies an RFC 4648 base64 encoded, RSA-wrapped 2048-bit customer-supplied encryption key to either encrypt or decrypt this resource.
                 #
@@ -856,7 +923,7 @@
               { # An instance-attached disk resource.
                 "diskEncryptionKey": { # Represents a customer-supplied encryption key # The encryption key for the disk.
                   "rawKey": "A String", # Specifies a 256-bit customer-supplied encryption key, encoded in RFC 4648 base64 to either encrypt or decrypt this resource.
-                  "kmsKeyServiceAccount": "A String",
+                  "kmsKeyServiceAccount": "A String", # The service account being used for the encryption request for the given KMS key. If absent, the Compute Engine default service account is used.
                   "sha256": "A String", # [Output only] The RFC 4648 base64 encoded SHA-256 hash of the customer-supplied encryption key that protects this resource.
                   "rsaEncryptedKey": "A String", # Specifies an RFC 4648 base64 encoded, RSA-wrapped 2048-bit customer-supplied encryption key to either encrypt or decrypt this resource.
                       #
@@ -873,6 +940,7 @@
                 "index": 42, # Specifies zero-based index of the disk that is attached to the source instance.
                 "type": "A String", # Specifies the type of the attached disk, either SCRATCH or PERSISTENT.
                 "boot": True or False, # Indicates that this is a boot disk. The virtual machine will use the first partition of the disk for its root filesystem.
+                "diskType": "A String", # [Output Only] URL of the disk type resource. For example: projects/project/zones/zone/diskTypes/pd-standard or pd-ssd
                 "guestOsFeatures": [ # A list of features to enable on the guest operating system. Applicable only for bootable images. Read  Enabling guest operating system features to see a list of available options.
                   { # Guest OS features.
                     "type": "A String", # The ID of a supported feature. Read  Enabling guest operating system features to see a list of available options.
@@ -916,7 +984,7 @@
                   { # An access configuration attached to an instance's network interface. Only one access config per instance is supported.
                     "kind": "compute#accessConfig", # [Output Only] Type of the resource. Always compute#accessConfig for access configs.
                     "name": "A String", # The name of this access configuration. The default and recommended name is External NAT, but you can use any arbitrary string, such as My external IP or Network Access.
-                    "setPublicDns": True or False, # Specifies whether a public DNS ?A? record should be created for the external IP address of this access configuration.
+                    "setPublicDns": True or False, # Specifies whether a public DNS 'A' record should be created for the external IP address of this access configuration.
                     "publicDnsName": "A String", # [Output Only] The public DNS domain name for the instance.
                     "networkTier": "A String", # This signifies the networking tier used for configuring this access configuration and can only take the following values: PREMIUM, STANDARD.
                         #
@@ -943,23 +1011,29 @@
               },
             ],
             "minCpuPlatform": "A String", # Minimum cpu/platform to be used by instances created from this machine image. The instance may be scheduled on the specified or newer cpu/platform. Applicable values are the friendly names of CPU platforms, such as minCpuPlatform: "Intel Haswell" or minCpuPlatform: "Intel Sandy Bridge". For more information, read Specifying a Minimum CPU Platform.
-            "scheduling": { # Sets the scheduling options for an Instance. NextID: 9 # Specifies the scheduling options for the instances that are created from this machine image.
-              "preemptible": True or False, # Defines whether the instance is preemptible. This can only be set during instance creation, it cannot be set or changed after the instance has been created.
-              "nodeAffinities": [ # A set of node affinity and anti-affinity.
+            "scheduling": { # Sets the scheduling options for an Instance. NextID: 10 # Specifies the scheduling options for the instances that are created from this machine image.
+              "longTermRelease": True or False, # Compute Engine Long Term Release. When specified, VMs that have this policy become long term release (internal: stable fleet) VMs.
+                  #
+                  # For all VM shapes, this should result in fewer disruptions due to software updates and greater predictability via 1 week extended notifications.
+                  #
+                  # For GPU VMs, this should also result in an 2 week uptime guarantee. See go/stable-fleet-gpus-design for more details.
+              "minNodeCpus": 42, # The minimum number of virtual CPUs this instance will consume when running on a sole-tenant node.
+              "automaticRestart": True or False, # Specifies whether the instance should be automatically restarted if it is terminated by Compute Engine (not terminated by a user). You can only set the automatic restart option for standard instances. Preemptible instances cannot be automatically restarted.
+                  #
+                  # By default, this is set to true so an instance is automatically restarted if it is terminated by Compute Engine.
+              "locationHint": "A String", # An opaque location hint used to place the instance close to other resources. This field is for use by internal tools that use the public API.
+              "onHostMaintenance": "A String", # Defines the maintenance behavior for this instance. For standard instances, the default behavior is MIGRATE. For preemptible instances, the default and only possible behavior is TERMINATE. For more information, see Setting Instance Scheduling Options.
+              "nodeAffinities": [ # A set of node affinity and anti-affinity configurations. Refer to Configuring node affinity for more information. Overrides reservationAffinity.
                 { # Node Affinity: the configuration of desired nodes onto which this Instance could be scheduled.
-                  "operator": "A String", # Defines the operation of node selection.
+                  "operator": "A String", # Defines the operation of node selection. Valid operators are IN for affinity and NOT_IN for anti-affinity.
                   "values": [ # Corresponds to the label values of Node resource.
                     "A String",
                   ],
                   "key": "A String", # Corresponds to the label key of Node resource.
                 },
               ],
-              "onHostMaintenance": "A String", # Defines the maintenance behavior for this instance. For standard instances, the default behavior is MIGRATE. For preemptible instances, the default and only possible behavior is TERMINATE. For more information, see Setting Instance Scheduling Options.
-              "automaticRestart": True or False, # Specifies whether the instance should be automatically restarted if it is terminated by Compute Engine (not terminated by a user). You can only set the automatic restart option for standard instances. Preemptible instances cannot be automatically restarted.
-                  #
-                  # By default, this is set to true so an instance is automatically restarted if it is terminated by Compute Engine.
               "latencyTolerant": True or False, # Defines whether the instance is tolerant of higher cpu latency. This can only be set during instance creation, or when the instance is not currently running. It must not be set if the preemptible option is also set.
-              "minNodeCpus": 42, # The minimum number of virtual CPUs this instance will consume when running on a sole-tenant node.
+              "preemptible": True or False, # Defines whether the instance is preemptible. This can only be set during instance creation, it cannot be set or changed after the instance has been created.
             },
             "machineType": "A String", # The machine type to use for instances that are created from this machine image.
             "serviceAccounts": [ # A list of service accounts with specified scopes. Access tokens for these service accounts are available to the instances that are created from this machine image. Use metadata queries to obtain the access tokens for these instances.
@@ -1001,7 +1075,7 @@
             {
               "diskEncryptionKey": { # Represents a customer-supplied encryption key # The customer-supplied encryption key of the source disk. Required if the source disk is protected by a customer-supplied encryption key.
                 "rawKey": "A String", # Specifies a 256-bit customer-supplied encryption key, encoded in RFC 4648 base64 to either encrypt or decrypt this resource.
-                "kmsKeyServiceAccount": "A String",
+                "kmsKeyServiceAccount": "A String", # The service account being used for the encryption request for the given KMS key. If absent, the Compute Engine default service account is used.
                 "sha256": "A String", # [Output only] The RFC 4648 base64 encoded SHA-256 hash of the customer-supplied encryption key that protects this resource.
                 "rsaEncryptedKey": "A String", # Specifies an RFC 4648 base64 encoded, RSA-wrapped 2048-bit customer-supplied encryption key to either encrypt or decrypt this resource.
                     #
@@ -1018,13 +1092,13 @@
             },
           ],
           "guestFlush": True or False, # [Input Only] Specifies to create an application consistent machine image by informing the OS to prepare for the snapshot process. Currently only supported on Windows instances using the Volume Shadow Copy Service (VSS).
+          "totalStorageBytes": "A String", # [Output Only] Total size of the storage used by the machine image.
           "creationTimestamp": "A String", # [Output Only] The creation timestamp for this machine image in RFC3339 text format.
           "id": "A String", # [Output Only] A unique identifier for this machine image. The server defines this identifier.
           "selfLink": "A String", # [Output Only] The URL for this machine image. The server defines this URL.
           "name": "A String", # Name of the resource; provided by the client when the resource is created. The name must be 1-63 characters long, and comply with RFC1035. Specifically, the name must be 1-63 characters long and match the regular expression `[a-z]([-a-z0-9]*[a-z0-9])?` which means the first character must be a lowercase letter, and all following characters must be a dash, lowercase letter, or digit, except the last character, which cannot be a dash.
         },
     ],
-    "etag": "A String",
     "warning": { # [Output Only] Informational warning message.
       "message": "A String", # [Output Only] A human-readable description of the warning code.
       "code": "A String", # [Output Only] A warning code, if applicable. For example, Compute Engine returns NO_RESULTS_ON_PAGE if there are no results in the response.
@@ -1056,33 +1130,33 @@
 </div>
 
 <div class="method">
-    <code class="details" id="setIamPolicy">setIamPolicy(project, resource, body)</code>
+    <code class="details" id="setIamPolicy">setIamPolicy(project, resource, body=None)</code>
   <pre>Sets the access control policy on the specified resource. Replaces any existing policy.
 
 Args:
   project: string, Project ID for this request. (required)
   resource: string, Name or id of the resource for this request. (required)
-  body: object, The request body. (required)
+  body: object, The request body.
     The object takes the form of:
 
 {
-    "policy": { # Defines an Identity and Access Management (IAM) policy. It is used to specify access control policies for Cloud Platform resources. # 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 in general a valid policy but certain services (like Projects) might reject them.
+    "policy": { # An Identity and Access Management (IAM) policy, which specifies access controls for Google Cloud resources. # 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 in general a valid policy but certain services (like Projects) might reject them.
         #
         #
         #
-        # 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.
         #
-        # { "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"] } ] }
+        # **JSON example:**
         #
-        # **YAML 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 }
         #
-        # 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
+        # **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 developer's guide](https://cloud.google.com/iam/docs).
+        # For a description of IAM and its features, see the [IAM documentation](https://cloud.google.com/iam/docs/).
       "auditConfigs": [ # Specifies cloud audit logging configuration for this policy.
         { # Specifies the audit configuration for a service. The configuration determines which permission types are logged, and what identities, if any, are exempted from logging. An AuditConfig must have one or more AuditLogConfigs.
             #
@@ -1090,21 +1164,22 @@
             #
             # Example Policy with multiple AuditConfigs:
             #
-            # { "audit_configs": [ { "service": "allServices" "audit_log_configs": [ { "log_type": "DATA_READ", "exempted_members": [ "user:foo@gmail.com" ] }, { "log_type": "DATA_WRITE", }, { "log_type": "ADMIN_READ", } ] }, { "service": "fooservice.googleapis.com" "audit_log_configs": [ { "log_type": "DATA_READ", }, { "log_type": "DATA_WRITE", "exempted_members": [ "user:bar@gmail.com" ] } ] } ] }
+            # { "audit_configs": [ { "service": "allServices" "audit_log_configs": [ { "log_type": "DATA_READ", "exempted_members": [ "user:jose@example.com" ] }, { "log_type": "DATA_WRITE", }, { "log_type": "ADMIN_READ", } ] }, { "service": "sampleservice.googleapis.com" "audit_log_configs": [ { "log_type": "DATA_READ", }, { "log_type": "DATA_WRITE", "exempted_members": [ "user:aliya@example.com" ] } ] } ] }
             #
-            # For fooservice, this policy enables DATA_READ, DATA_WRITE and ADMIN_READ logging. It also exempts foo@gmail.com from DATA_READ logging, and bar@gmail.com from DATA_WRITE logging.
+            # For sampleservice, this policy enables DATA_READ, DATA_WRITE and ADMIN_READ logging. It also exempts jose@example.com from DATA_READ logging, and aliya@example.com from DATA_WRITE logging.
           "exemptedMembers": [
             "A String",
           ],
           "auditLogConfigs": [ # The configuration for logging of each type of permission.
             { # Provides the configuration for logging a type of permissions. Example:
                 #
-                # { "audit_log_configs": [ { "log_type": "DATA_READ", "exempted_members": [ "user:foo@gmail.com" ] }, { "log_type": "DATA_WRITE", } ] }
+                # { "audit_log_configs": [ { "log_type": "DATA_READ", "exempted_members": [ "user:jose@example.com" ] }, { "log_type": "DATA_WRITE", } ] }
                 #
-                # This enables 'DATA_READ' and 'DATA_WRITE' logging, while exempting foo@gmail.com from DATA_READ logging.
+                # This enables 'DATA_READ' and 'DATA_WRITE' logging, while exempting jose@example.com from DATA_READ logging.
               "exemptedMembers": [ # Specifies the identities that do not cause logging for this type of permission. Follows the same format of [Binding.members][].
                 "A String",
               ],
+              "ignoreChildExemptions": True or False,
               "logType": "A String", # The log type that this config enables.
             },
           ],
@@ -1123,14 +1198,18 @@
                   #
                   # Supported field names: - "authority", which is "[token]" if IAMContext.token is present, otherwise the value of IAMContext.authority_selector if present, and otherwise a representation of IAMContext.principal; or - "iam_principal", a representation of IAMContext.principal even if a token or authority selector is present; or - "" (empty string), resulting in a counter with no fields.
                   #
-                  # Examples: counter { metric: "/debug_access_count" field: "iam_principal" } ==> increment counter /iam/policy/backend_debug_access_count {iam_principal=[value of IAMContext.principal]}
-                  #
-                  # At this time we do not support multiple field names (though this may be supported in the future).
+                  # Examples: counter { metric: "/debug_access_count" field: "iam_principal" } ==&gt; increment counter /iam/policy/debug_access_count {iam_principal=[value of IAMContext.principal]}
                 "field": "A String", # The field value to attribute.
+                "customFields": [ # Custom fields.
+                  { # Custom fields. These can be used to create a counter with arbitrary field/value pairs. See: go/rpcsp-custom-fields.
+                    "name": "A String", # Name is the field name.
+                    "value": "A String", # Value is the field value. It is important that in contrast to the CounterOptions.field, the value here is a constant that is not derived from the IAMContext.
+                  },
+                ],
                 "metric": "A String", # The metric to update.
               },
               "dataAccess": { # Write a Data Access (Gin) log # Data access options.
-                "logMode": "A String", # Whether Gin logging should happen in a fail-closed manner at the caller. This is relevant only in the LocalIAM implementation, for now.
+                "logMode": "A String", # Whether Gin logging should happen in a fail-closed manner at the caller. This is currently supported in the LocalIAM implementation, Stubby C++, and Stubby Java. For Apps Framework, see go/af-audit-logging#failclosed. TODO(b/77591626): Add support for Stubby Go. TODO(b/129671387): Add support for Scaffolding.
               },
               "cloudAudit": { # Write a Cloud Audit log # Cloud audit options.
                 "logName": "A String", # The log_name to populate in the Cloud Audit Record.
@@ -1164,11 +1243,21 @@
           "description": "A String", # Human-readable description of the rule.
         },
       ],
-      "version": 42, # Deprecated.
+      "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.
       "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.
-      "bindings": [ # Associates a list of `members` to a `role`. `bindings` with no members will result in an error.
+          # **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.
+      "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:
@@ -1177,7 +1266,7 @@
               #
               # * `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` .
+              # * `user:{emailid}`: An email address that represents a specific Google account. For example, `alice@example.com` .
               #
               #
               #
@@ -1185,20 +1274,40 @@
               #
               # * `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 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.
+          "condition": { # Represents a textual expression in the Common Expression Language (CEL) syntax. CEL is a C-like expression language. The syntax and semantics of CEL are documented at https://github.com/google/cel-spec. # 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"
-            "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.
+              # 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.
+            "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.
             "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.
-            "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.
+            "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.
+            "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.
           },
         },
       ],
@@ -1213,7 +1322,7 @@
             #
             # * `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` .
+            # * `user:{emailid}`: An email address that represents a specific Google account. For example, `alice@example.com` .
             #
             #
             #
@@ -1221,20 +1330,40 @@
             #
             # * `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 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.
+        "condition": { # Represents a textual expression in the Common Expression Language (CEL) syntax. CEL is a C-like expression language. The syntax and semantics of CEL are documented at https://github.com/google/cel-spec. # 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"
-          "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.
+            # 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.
+          "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.
           "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.
-          "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.
+          "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.
+          "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.
         },
       },
     ],
@@ -1245,23 +1374,23 @@
 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.
       #
-      # { "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"] } ] }
+      # **JSON example:**
       #
-      # **YAML 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 }
       #
-      # 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
+      # **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 developer's guide](https://cloud.google.com/iam/docs).
+      # For a description of IAM and its features, see the [IAM documentation](https://cloud.google.com/iam/docs/).
     "auditConfigs": [ # Specifies cloud audit logging configuration for this policy.
       { # Specifies the audit configuration for a service. The configuration determines which permission types are logged, and what identities, if any, are exempted from logging. An AuditConfig must have one or more AuditLogConfigs.
           #
@@ -1269,21 +1398,22 @@
           #
           # Example Policy with multiple AuditConfigs:
           #
-          # { "audit_configs": [ { "service": "allServices" "audit_log_configs": [ { "log_type": "DATA_READ", "exempted_members": [ "user:foo@gmail.com" ] }, { "log_type": "DATA_WRITE", }, { "log_type": "ADMIN_READ", } ] }, { "service": "fooservice.googleapis.com" "audit_log_configs": [ { "log_type": "DATA_READ", }, { "log_type": "DATA_WRITE", "exempted_members": [ "user:bar@gmail.com" ] } ] } ] }
+          # { "audit_configs": [ { "service": "allServices" "audit_log_configs": [ { "log_type": "DATA_READ", "exempted_members": [ "user:jose@example.com" ] }, { "log_type": "DATA_WRITE", }, { "log_type": "ADMIN_READ", } ] }, { "service": "sampleservice.googleapis.com" "audit_log_configs": [ { "log_type": "DATA_READ", }, { "log_type": "DATA_WRITE", "exempted_members": [ "user:aliya@example.com" ] } ] } ] }
           #
-          # For fooservice, this policy enables DATA_READ, DATA_WRITE and ADMIN_READ logging. It also exempts foo@gmail.com from DATA_READ logging, and bar@gmail.com from DATA_WRITE logging.
+          # For sampleservice, this policy enables DATA_READ, DATA_WRITE and ADMIN_READ logging. It also exempts jose@example.com from DATA_READ logging, and aliya@example.com from DATA_WRITE logging.
         "exemptedMembers": [
           "A String",
         ],
         "auditLogConfigs": [ # The configuration for logging of each type of permission.
           { # Provides the configuration for logging a type of permissions. Example:
               #
-              # { "audit_log_configs": [ { "log_type": "DATA_READ", "exempted_members": [ "user:foo@gmail.com" ] }, { "log_type": "DATA_WRITE", } ] }
+              # { "audit_log_configs": [ { "log_type": "DATA_READ", "exempted_members": [ "user:jose@example.com" ] }, { "log_type": "DATA_WRITE", } ] }
               #
-              # This enables 'DATA_READ' and 'DATA_WRITE' logging, while exempting foo@gmail.com from DATA_READ logging.
+              # This enables 'DATA_READ' and 'DATA_WRITE' logging, while exempting jose@example.com from DATA_READ logging.
             "exemptedMembers": [ # Specifies the identities that do not cause logging for this type of permission. Follows the same format of [Binding.members][].
               "A String",
             ],
+            "ignoreChildExemptions": True or False,
             "logType": "A String", # The log type that this config enables.
           },
         ],
@@ -1302,14 +1432,18 @@
                 #
                 # Supported field names: - "authority", which is "[token]" if IAMContext.token is present, otherwise the value of IAMContext.authority_selector if present, and otherwise a representation of IAMContext.principal; or - "iam_principal", a representation of IAMContext.principal even if a token or authority selector is present; or - "" (empty string), resulting in a counter with no fields.
                 #
-                # Examples: counter { metric: "/debug_access_count" field: "iam_principal" } ==> increment counter /iam/policy/backend_debug_access_count {iam_principal=[value of IAMContext.principal]}
-                #
-                # At this time we do not support multiple field names (though this may be supported in the future).
+                # Examples: counter { metric: "/debug_access_count" field: "iam_principal" } ==&gt; increment counter /iam/policy/debug_access_count {iam_principal=[value of IAMContext.principal]}
               "field": "A String", # The field value to attribute.
+              "customFields": [ # Custom fields.
+                { # Custom fields. These can be used to create a counter with arbitrary field/value pairs. See: go/rpcsp-custom-fields.
+                  "name": "A String", # Name is the field name.
+                  "value": "A String", # Value is the field value. It is important that in contrast to the CounterOptions.field, the value here is a constant that is not derived from the IAMContext.
+                },
+              ],
               "metric": "A String", # The metric to update.
             },
             "dataAccess": { # Write a Data Access (Gin) log # Data access options.
-              "logMode": "A String", # Whether Gin logging should happen in a fail-closed manner at the caller. This is relevant only in the LocalIAM implementation, for now.
+              "logMode": "A String", # Whether Gin logging should happen in a fail-closed manner at the caller. This is currently supported in the LocalIAM implementation, Stubby C++, and Stubby Java. For Apps Framework, see go/af-audit-logging#failclosed. TODO(b/77591626): Add support for Stubby Go. TODO(b/129671387): Add support for Scaffolding.
             },
             "cloudAudit": { # Write a Cloud Audit log # Cloud audit options.
               "logName": "A String", # The log_name to populate in the Cloud Audit Record.
@@ -1343,11 +1477,21 @@
         "description": "A String", # Human-readable description of the rule.
       },
     ],
-    "version": 42, # Deprecated.
+    "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.
     "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.
-    "bindings": [ # Associates a list of `members` to a `role`. `bindings` with no members will result in an error.
+        # **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.
+    "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:
@@ -1356,7 +1500,7 @@
             #
             # * `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` .
+            # * `user:{emailid}`: An email address that represents a specific Google account. For example, `alice@example.com` .
             #
             #
             #
@@ -1364,20 +1508,40 @@
             #
             # * `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 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.
+        "condition": { # Represents a textual expression in the Common Expression Language (CEL) syntax. CEL is a C-like expression language. The syntax and semantics of CEL are documented at https://github.com/google/cel-spec. # 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"
-          "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.
+            # 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.
+          "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.
           "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.
-          "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.
+          "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.
+          "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.
         },
       },
     ],
@@ -1386,13 +1550,13 @@
 </div>
 
 <div class="method">
-    <code class="details" id="testIamPermissions">testIamPermissions(project, resource, body)</code>
+    <code class="details" id="testIamPermissions">testIamPermissions(project, resource, body=None)</code>
   <pre>Returns permissions that a caller has on the specified resource.
 
 Args:
   project: string, Project ID for this request. (required)
   resource: string, Name or id of the resource for this request. (required)
-  body: object, The request body. (required)
+  body: object, The request body.
     The object takes the form of:
 
 {