Here are the classes, structs, unions and interfaces with brief descriptions:

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▼NGoogle
▼NApis
▼NStorage
▼Nv1
▼NData
►CBucket	A bucket.
CBillingData	The bucket's billing configuration.
CCorsData
CEncryptionData	Encryption configuration for a bucket.
►CIamConfigurationData	The bucket's IAM configuration.
CBucketPolicyOnlyData	The bucket's uniform bucket-level access configuration. The feature was formerly known as Bucket Policy Only. For backward compatibility, this field will be populated with identical information as the uniformBucketLevelAccess field. We recommend using the uniformBucketLevelAccess field to enable and disable the feature.
CUniformBucketLevelAccessData	The bucket's uniform bucket-level access configuration.
►CLifecycleData	The bucket's lifecycle configuration. See lifecycle management for more information.
►CRuleData
CActionData	The action to take.
CConditionData	The condition(s) under which the action will be taken.
CLoggingData	The bucket's logging configuration, which defines the destination bucket and optional name prefix for the current bucket's logs.
COwnerData	The owner of the bucket. This is always the project team's owner group.
CRetentionPolicyData	The bucket's retention policy. The retention policy enforces a minimum retention time for all objects contained in the bucket, based on their creation time. Any attempt to overwrite or delete objects younger than the retention period will result in a PERMISSION_DENIED error. An unlocked retention policy can be modified or removed from the bucket via a storage.buckets.update operation. A locked retention policy cannot be removed or shortened in duration for the lifetime of the bucket. Attempting to remove or decrease period of a locked retention policy will result in a PERMISSION_DENIED error.
CVersioningData	The bucket's versioning configuration.
CWebsiteData	The bucket's website configuration, controlling how the service behaves when accessing bucket contents as a web site. See the Static Website Examples for more information.
►CBucketAccessControl	An access-control entry.
CProjectTeamData	The project team associated with the entity, if any.
CBucketAccessControls	An access-control list.
CBuckets	A list of buckets.
CChannel	An notification channel used to watch for resource changes.
►CComposeRequest	A Compose request.
►CSourceObjectsData
CObjectPreconditionsData	Conditions that must be met for this operation to execute.
CExpr	Represents an expression text. Example: title: "User account presence" description: "Determines whether the request has a user account" expression: "size(request.user) > 0"
CHmacKey	JSON template to produce a JSON-style HMAC Key resource for Create responses.
CHmacKeyMetadata	JSON template to produce a JSON-style HMAC Key metadata resource.
CHmacKeysMetadata	A list of hmacKeys.
CNotification	A subscription to receive Google PubSub notifications.
CNotifications	A list of notification subscriptions.
►CObject	An object.
CCustomerEncryptionData	Metadata of customer-supplied encryption key, if the object is encrypted by such a key.
COwnerData	The owner of the object. This will always be the uploader of the object.
►CObjectAccessControl	An access-control entry.
CProjectTeamData	The project team associated with the entity, if any.
CObjectAccessControls	An access-control list.
CObjects	A list of objects.
►CPolicy	A bucket/object IAM policy.
CBindingsData
CRewriteResponse	A rewrite response.
CServiceAccount	A subscription to receive Google PubSub notifications.
CTestIamPermissionsResponse	A storage.(buckets\|objects).testIamPermissions response.
▼CBucketAccessControlsResource	The "bucketAccessControls" collection of methods.
CDeleteRequest	Permanently deletes the ACL entry for the specified entity on the specified bucket.
CGetRequest	Returns the ACL entry for the specified entity on the specified bucket.
CInsertRequest	Creates a new ACL entry on the specified bucket.
CListRequest	Retrieves ACL entries on the specified bucket.
CPatchRequest	Patches an ACL entry on the specified bucket.
CUpdateRequest	Updates an ACL entry on the specified bucket.
▼CBucketsResource	The "buckets" collection of methods.
CDeleteRequest	Permanently deletes an empty bucket.
CGetIamPolicyRequest	Returns an IAM policy for the specified bucket.
CGetRequest	Returns metadata for the specified bucket.
CInsertRequest	Creates a new bucket.
CListRequest	Retrieves a list of buckets for a given project.
CLockRetentionPolicyRequest	Locks retention policy on a bucket.
CPatchRequest	Patches a bucket. Changes to the bucket will be readable immediately after writing, but configuration changes may take time to propagate.
CSetIamPolicyRequest	Updates an IAM policy for the specified bucket.
CTestIamPermissionsRequest	Tests a set of permissions on the given bucket to see which, if any, are held by the caller.
CUpdateRequest	Updates a bucket. Changes to the bucket will be readable immediately after writing, but configuration changes may take time to propagate.
▼CChannelsResource	The "channels" collection of methods.
CStopRequest	Stop watching resources through this channel
▼CDefaultObjectAccessControlsResource	The "defaultObjectAccessControls" collection of methods.
CDeleteRequest	Permanently deletes the default object ACL entry for the specified entity on the specified bucket.
CGetRequest	Returns the default object ACL entry for the specified entity on the specified bucket.
CInsertRequest	Creates a new default object ACL entry on the specified bucket.
CListRequest	Retrieves default object ACL entries on the specified bucket.
CPatchRequest	Patches a default object ACL entry on the specified bucket.
CUpdateRequest	Updates a default object ACL entry on the specified bucket.
▼CNotificationsResource	The "notifications" collection of methods.
CDeleteRequest	Permanently deletes a notification subscription.
CGetRequest	View a notification configuration.
CInsertRequest	Creates a notification subscription for a given bucket.
CListRequest	Retrieves a list of notification subscriptions for a given bucket.
▼CObjectAccessControlsResource	The "objectAccessControls" collection of methods.
CDeleteRequest	Permanently deletes the ACL entry for the specified entity on the specified object.
CGetRequest	Returns the ACL entry for the specified entity on the specified object.
CInsertRequest	Creates a new ACL entry on the specified object.
CListRequest	Retrieves ACL entries on the specified object.
CPatchRequest	Patches an ACL entry on the specified object.
CUpdateRequest	Updates an ACL entry on the specified object.
▼CObjectsResource	The "objects" collection of methods.
CComposeRequest	Concatenates a list of existing objects into a new object in the same bucket.
CCopyRequest	Copies a source object to a destination object. Optionally overrides metadata.
CDeleteRequest	Deletes an object and its metadata. Deletions are permanent if versioning is not enabled for the bucket, or if the generation parameter is used.
CGetIamPolicyRequest	Returns an IAM policy for the specified object.
CGetRequest	Retrieves an object or its metadata.
CInsertMediaUpload	Insert media upload which supports resumable upload.
CInsertRequest	Stores a new object and metadata.
CListRequest	Retrieves a list of objects matching the criteria.
CPatchRequest	Patches an object's metadata.
CRewriteRequest	Rewrites a source object to a destination object. Optionally overrides metadata.
CSetIamPolicyRequest	Updates an IAM policy for the specified object.
CTestIamPermissionsRequest	Tests a set of permissions on the given object to see which, if any, are held by the caller.
CUpdateRequest	Updates an object's metadata.
CWatchAllRequest	Watch for changes on all objects in a bucket.
▼CProjectsResource	The "projects" collection of methods.
►CHmacKeysResource	The "hmacKeys" collection of methods.
CCreateRequest	Creates a new HMAC key for the specified service account.
CDeleteRequest	Deletes an HMAC key.
CGetRequest	Retrieves an HMAC key's metadata
CListRequest	Retrieves a list of HMAC keys matching the criteria.
CUpdateRequest	Updates the state of an HMAC key. See the HMAC Key resource descriptor for valid states.
►CServiceAccountResource	The "serviceAccount" collection of methods.
CGetRequest	Get the email address of this project's Google Cloud Storage service account.
CStorageBaseServiceRequest	A base abstract class for Storage requests.
CStorageService	The Storage Service.