#include <QDebug>
#include <QString>
#include <QVariant>
+#include <QTextStream>
class SignedId {
protected:
inline QDataStream &operator<<(QDataStream &out, const SignedId &signedId) { out << signedId.toInt(); return out; }
inline QDataStream &operator>>(QDataStream &in, SignedId &signedId) { in >> signedId.id; return in; }
+inline QTextStream &operator<<(QTextStream &out, const SignedId &signedId) { out << QString::number(signedId.toInt()); return out; }
inline QDebug operator<<(QDebug dbg, const SignedId &signedId) { dbg.space() << signedId.toInt(); return dbg; }
inline uint qHash(const SignedId &id) { return qHash(id.toInt()); }