code: @Override
    public final List<? extends ADrawItemSourcesLine>
      getDrawItemSources(
        final Map<String, Object> pAddParam) throws Exception {
      return getSrvAccSettings().lazyGetAccSettings(pAddParam)
        .getDrawMaterialSources();
    }
docs: <p>Get draw item sources.</p>
  @param pAddParam additional param
  @return draw item sources
  @throws Exception - an exception