whichOptionalState method
Implementation
FBSetDataProcessingOptionsRequest_OptionalState whichOptionalState() =>
_FBSetDataProcessingOptionsRequest_OptionalStateByTag[$_whichOneof(1)]!;
FBSetDataProcessingOptionsRequest_OptionalState whichOptionalState() =>
_FBSetDataProcessingOptionsRequest_OptionalStateByTag[$_whichOneof(1)]!;