docs: public void init(Length annotation, PropertyMetadata propertyMetadata)
      {
          m_minLength = annotation.minLength()==null?-1:Integer.valueOf(annotation.minLength());
          m_maxLength = annotation.maxLength()==null?-1:Integer.valueOf(annotation.maxLength());
          m_propertyMetadata = propertyMetadata;
          m_message = annotation.message();
      }