- Companion
- object
class Object
trait Matchable
class Any
object Ok
object Cancelled
object Unknown
object InvalidArgument
object DeadlineExceeded
object NotFound
object AlreadyExists
object PermissionDenied
object ResourceExhausted
object FailedPrecondition
object Aborted
object OutOfRange
object Unimplemented
class Internal
object Unavailable
object DataLoss
object Unauthenticated