+using MsgIdList = QList<MsgId>;
+using BufferIdList = QList<BufferId>;
+
+/**
+ * Catch-all stream serialization operator for enum types.
+ *
+ * @param[in,out] out Stream to serialize to
+ * @param[in] value Value to serialize
+ * @returns A reference to the stream
+ */
+template<typename T, typename = typename std::enable_if<std::is_enum<T>::value>::type>
+QDataStream& operator<<(QDataStream& out, T value)
+{
+ out << static_cast<typename std::underlying_type<T>::type>(value);
+ return out;
+}
+
+/**
+ * Catch-all stream serialization operator for enum types.
+ *
+ * @param[in,out] in Stream to deserialize from
+ * @param[out] value Value to deserialize into
+ * @returns A reference to the stream
+ */
+template<typename T, typename = typename std::enable_if<std::is_enum<T>::value>::type>
+QDataStream& operator>>(QDataStream& in, T& value)
+{
+ typename std::underlying_type<T>::type v;
+ in >> v;
+ value = static_cast<T>(v);
+ return in;
+}
+
+// STL-compliant hash functor for Qt types
+template<typename T>
+struct Hash
+{
+ uint operator()(const T& t) const
+ {
+ return qHash(t);
+ }
+};