code: @JSFProperty(defaultValue = "false", tagExcluded = true)
      public boolean isLocalValueSet()
      {
          Object value = getStateHelper().get(PropertyKeys.localValueSet);
          if (value != null)
          {
              return (Boolean) value;        
          }
          return false;
      }
docs: Specifies whether a local value is currently set.
  <p>
  If false, values are being retrieved from any attached ValueBinding.