OptionaldoneIf the value is false, it means the operation is still in progress.
If true, the operation is completed, and either error or response is
available.
OptionalmetadataService-specific metadata associated with the operation. It typically contains progress information and common metadata such as create time. Some services might not provide such metadata.
OptionalnameThe server-assigned name, which is only unique within the same service that
originally returns it. If you use the default HTTP mapping, the
name should be a resource name ending with operations/{unique_id}.
OptionalresultThe operation result, which can be either an error or a valid response.
If done == false, neither error nor response is set.
If done == true, exactly one of error or response can be set.
Some services might not provide the result.
This resource represents a long-running operation that is the result of a network API call.