#include <QtNetwork/qnetworkproxy.h>
#ifndef QNETWORKPROXY_H
#ifndef QT_NO_NETWORKPROXY
class QNetworkProxy{
   /* Some contents are skipped to improve readability */
   public: enum QNetworkProxy::ProxyType type() const
   /* ... */
};
#endif // QT_NO_NETWORKPROXY
#endif // QHOSTINFO_H