operationId property
Identity of the operation.
For Allocation Quota, this is expected to be unique within the scope of the service that generated the operation, and guarantees idempotency in case of retries. In order to ensure best performance and latency in the Quota backends, operation_ids are optimally associated with time, so that related operations can be accessed fast in storage. For this reason, the recommended token for services that intend to operate at a high QPS is Unix time in nanos + UUID
Implementation
core.String? operationId;