code: public Section first(String type) {
          Section result;
          Sections sections = sections(type);
          if (sections != null) {
              result = sections.first();
          }
          else {
              result = null;
          }
          return result;
      }
docs: Get the first section of a particular type.
  
  @param type section type
  @return first section of the requested type, or <code>null</code> if there are no sections of that type