code: public DataUrlBuilder setDataUrl(DataUrl template) {
          setData(template.getData());
          setEncoding(template.getEncoding());
          setHeaders(template.getHeaders());
          setMimeType(template.getMimeType());
          return this;
      }
docs: Fills this {@link DataUrlBuilder} with the contents of the given
  {@link DataUrl} template
  @param template {@link DataUrl} template
  @return This {@link DataUrlBuilder} instance