References: google.golang.org/protobuf/internal/genid.FieldOptions_FeatureSupport_message

const google.golang.org/protobuf/internal/genid.FieldOptions_FeatureSupport_message_fullname

one use

	google.golang.org/protobuf/internal/genid (current package)
		descriptor_gen.go#L777: 	FieldOptions_FeatureSupport_message_fullname protoreflect.FullName = "google.protobuf.FieldOptions.FeatureSupport"

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