public bool empty() { bool ret = FiftyOneDegreesPatternV3PINVOKE.MapStringString_empty(swigCPtr); if (FiftyOneDegreesPatternV3PINVOKE.SWIGPendingException.Pending) { throw FiftyOneDegreesPatternV3PINVOKE.SWIGPendingException.Retrieve(); } return(ret); }