code: private void addResultSection(String mediaQueryPath, Section section) {
          Section qry = mediaQueries.get(mediaQueryPath);
          if (qry == null) {
              qry = new Section();
              qry.getSelectors().add(Collections.singletonList(mediaQueryPath));
              mediaQueries.put(mediaQueryPath, qry);
          }
          qry.addSubSection(section);
      }
docs: /*
  Adds a section to the given media query section - creates if necessary