### Represents deprecated status codes

  ## Deprecated status - Ok
  const OK = 0;

  ## Deprecated status - Cancelled
  const CANCELLED = 1;

  ## Deprecated status - Unknown error
  const UNKNOWN_ERROR = 2;

  ## Deprecated status - Invalid argument
  const INVALID_ARGUMENT = 3;

  ## Deprecated status - Deadline exceeded
  const DEADLINE_EXCEEDED = 4;

  ## Deprecated status - Not found
  const NOT_FOUND = 5;

  ## Deprecated status - Already exists
  const ALREADY_EXISTS = 6;

  ## Deprecated status - Permission denied
  const PERMISSION_DENIED = 7;

  ## Deprecated status - Resource exhausted
  const RESOURCE_EXHAUSTED = 8;

  ## Deprecated status - Failed precodition
  const FAILED_PRECONDITION = 9;

  ## Deprecated status - Aborted
  const ABORTED = 10;

  ## Deprecated status - Out of range
  const OUT_OF_RANGE = 11;

  ## Deprecated status - Unimplemented
  const UNIMPLEMENTED = 12;

  ## Deprecated status - Internal error
  const INTERNAL_ERROR = 13;

  ## Deprecated status - Unavailable
  const UNVAILABLE = 14;

  ## Deprecated status - Data loss
  const DATA_LOSS = 15;

  ## Deprecated status - Unauthenticated
  const UNAUTHENTICATED = 16;