64     std::vector<std::string> namespaces;  in Packages()  local
65     SplitStringUsing(descriptor.full_name(), ".", &namespaces);  in Packages()
66     namespaces.pop_back(); // just take the package  in Packages()
67     return namespaces;  in Packages()
72     const auto namespaces = Packages(descriptor);  in FullyQualifiedIdentifier()  local
73     if (namespaces.empty()) {  in FullyQualifiedIdentifier()
77         JoinStrings(namespaces, "::", &namespace_path);  in FullyQualifiedIdentifier()
98     const auto namespaces = Packages(descriptor);  in OpenNamespaces()  local
99     for (const auto& ns : namespaces) {  in OpenNamespaces()
109     const auto namespaces = Packages(descriptor);  in CloseNamespaces()  local
110     for (auto it = namespaces.crbegin(); it != namespaces.crend(); ++it) {  in CloseNamespaces()