OptionalclaimsOptionalendpointThe endpoint resource name for which this credential will be generated. Format: projects/{project_id}/branches/{branch_id}/endpoints/{endpoint_id}
OptionalexpirationExpiration information for the credential. Users can specify either expire_time or ttl. If unspecified, maximum allowed duration (1 hour) is used.
The requested time-to-live for the generated credential token. Must be at least 300 seconds (5 minutes) and at most 3600 seconds (1 hour).
Timestamp in UTC of when this credential should expire. Must be at least 300 seconds (5 minutes) and at most 1 hour from the current time.
The returned token will be scoped to UC tables with the specified permissions.