code: public DynamicImageField<T> addDynamicImageField(int viewResId, StringExtractor<T> extractor,
                                                       DynamicImageLoader dynamicImageLoader) {
  
          DynamicImageField<T> field =
                  new DynamicImageField<T>(viewResId, extractor, dynamicImageLoader);
  
          mDynamicImageFields.add(field);
  
          return field;
      }
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