public TermIterator SynonymKeysBegin(string prefix) { TermIterator ret = new TermIterator(XapianPINVOKE.Database_SynonymKeysBegin__SWIG_0(swigCPtr, prefix), true); if (XapianPINVOKE.SWIGPendingException.Pending) { throw XapianPINVOKE.SWIGPendingException.Retrieve(); } return(ret); }