protected void doCall() throws java.lang.Throwable { receiver$.isAPath(arg1, arg2); }
protected void doCall() throws java.lang.Throwable { receiver$.toString(); }
protected void doCall() throws java.lang.Throwable { receiver$.isNode(arg1); }
protected void doCall() throws java.lang.Throwable { receiver$.removeArc(arg1, arg2); }
protected void doCall() throws java.lang.Throwable { receiver$.transpose(); }
protected void doCall() throws java.lang.Throwable { receiver$.DFSVisit(u); }
protected void doCall() throws java.lang.Throwable { receiver$.unconnected(arg1); }