code: private <V> boolean onCheckMapAttribute(PluralAttribute<? super X, ?, ?> pluralAttribute, Class<V> valueClazz)
      {
          if (pluralAttribute != null)
          {
              if (isMapAttribute(pluralAttribute) && isBindable(pluralAttribute, valueClazz))
              {
                  return true;
              }
  
          }
  
          return false;
      }
docs: On check map attribute.
  
  @param <V>
  the value type
  @param pluralAttribute
  the plural attribute
  @param valueClazz
  the value clazz
  @return true, if successful