https://docs.cloud.google.com/dotnet/docs/reference/Google.Cloud.Datastream.V1Alpha1/latest/Google.Cloud.Datastream.V1Alpha1.GcsDestinationConfig.FileFormatOneofCase
DataStream v1alpha1 API - Enum GcsDestinationConfig.FileFormatOneofCase (2.0.0-alpha06) | .NET...
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