Can I use Qt network module without QCoreApplication?

Question

Does Qt-based dll can be used by another non qt-based app (without QApplication)? in that post I asked a question, but topic was marked as duplicate without any reason. I wish to know that, does Qt-based DLL (that use Qt network module) works without QCoreApplication or not? Using the QCoreApplication is prohibited! I'm using waitForConnected/waitForReadyRead/waitForBytesWritten/waitForEncrypted functions for sockets and I need to know is that DLL will works or I must to use any other library (POCO, libcurl, VMime or something else). QCoreApplication absence is the key condition of Qt-framework usage in that case (or I must rewrite the code without Qt).