code: @Override
      public ContainerSection parse(String input) throws Exception {
          ContainerSection parsedSection = super.parse(input);
          ArrayList<DocumentSection<?>> section = this.getSections().get(Tokens.getCaseToken());
          if (section != null) {
              for (DocumentSection<?> item : section) {
                  this.cases.add((CaseSection) item);
              }
          }
          return parsedSection;
      }
docs: /* (non-Javadoc)
  @see com.github.mkolisnyk.aerial.document.ContainerSection#parse(java.lang.String)