-typedef QList<MsgId> MsgIdList;
-typedef QList<BufferId> BufferIdList;
-
-//! Base class for exceptions.
-struct Exception {
- Exception(QString msg = "Unknown Exception") : _msg(msg) {}
- virtual ~Exception() {} // make gcc happy
- virtual inline QString msg() { return _msg; }
+using MsgIdList = QList<MsgId>;
+using BufferIdList = QList<BufferId>;
+
+#if QT_VERSION < QT_VERSION_CHECK(5, 14, 0)
+/**
+ * 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;
+}
+#endif