code: def _insertFont(self, fontname, bfname, fontfile, fontbuffer, set_simple, idx, wmode, serif, encoding, ordering):
          
          return _fitz.Page__insertFont(self, fontname, bfname, fontfile, fontbuffer, set_simple, idx, wmode, serif, encoding, ordering)
docs: _insertFont(self, fontname, bfname, fontfile, fontbuffer, set_simple, idx, wmode, serif, encoding, ordering) -> PyObject *