code: public Object decorate(ClassLoader ignored, Field field) {
          Object result = defaultElementFieldDecoracor.decorate(ignored, field);
          if (result != null) {
              return result;
          }
  
          return decorateWidget(field);
      }
docs: Decorated page object {@code field}.
  
  @param ignored class loader is ignored by current implementation
  @param field is {@link Field} of page object which is supposed to be decorated.
  @return a field value or null.