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

one use

	google.golang.org/protobuf/internal/genid (current package)
		descriptor_gen.go#L109: 	DescriptorProto_OneofDecl_field_fullname      protoreflect.FullName = "google.protobuf.DescriptorProto.oneof_decl"