code: public static MethodDescriptor buildScriptableMethodDescriptorNoArgs( Class actionClass, String methodName )
    {
      MethodDescriptor md = _buildMethodDescriptor( actionClass, methodName, EMPTY_STRING_ARRAY, EMPTY_CLASS_ARRAY, EMPTY_CLASS_ARRAY );
      makeScriptable( md );
      return md;
    }
docs: Builds a no-arg method descriptor that is exposed for scripting everywhere.