Starts asynchronous cancellation on a long-running operation. The server makes a best effort to cancel the operation, but success is not guaranteed. If the server doesn't support this method, it returns
google.rpc.Code.UNIMPLEMENTED. Clients can use
Operations.GetOperation or other methods to check whether the cancellation succeeded or whether the operation completed despite cancellation. On successful cancellation, the operation is not deleted; instead, it becomes an operation with an
Operation.error value with a
google.rpc.Status.code of 1, corresponding to
The URL uses gRPC Transcoding syntax.
The name of the operation resource to be cancelled.
The request body must be empty.
If successful, the response body will be empty.