getBasePath method
Get config file directory
Implementation
String getBasePath() {
  Pointer<Pointer<Void>> exception = WebFrameworkException.createException();
  GetBasePath function = handler.instance
      .lookupFunction<GetBasePath, GetBasePath>("getBasePath");
  Pointer<Void> string = function.call(implementation, exception);
  WebFrameworkException.checkException(exception, handler);
  String result = handler.getDataFromString(string);
  handler.deleteWebFrameworkString(string);
  return result;
}