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

one use

	google.golang.org/protobuf/internal/genid (current package)
		descriptor_gen.go#L819: 	GeneratedCodeInfo_Annotation_Begin_field_fullname      protoreflect.FullName = "google.protobuf.GeneratedCodeInfo.Annotation.begin"