NS_IMETHOD GetXlibRgbHandle(XlibRgbHandle *&aHandle) { aHandle =  mXlibRgbHandle; return NS_OK; }
XlibRgbHandle *GetXlibRgbHandle() { return mXlibRgbHandle; }
  NS_IMETHOD GetXlibRgbHandle(XlibRgbHandle *&aHandle)              { aHandle =  mXlibRgbHandle; return NS_OK; }