NamePrefixedWithNestedTypes  974 third_party/protobuf/src/google/protobuf/compiler/python/python_generator.cc   string name = NamePrefixedWithNestedTypes(descriptor, "_");
NamePrefixedWithNestedTypes  992 third_party/protobuf/src/google/protobuf/compiler/python/python_generator.cc   string name = NamePrefixedWithNestedTypes(descriptor, ".");