code: private ActionList touchActionList() {
          if (contentList != null) {
              if (contentList.isExplicit() || contentList.size() != 1) {
                  contentList = null;
              } else {
                  ActionList actionList = contentList.get(0);
                  if (actionList.isExplicit()) {
                      contentList = null;
                  }
              }
          }
          ActionList actionList;
          if (contentList == null) {
              contentList = new ContentList(false);
              actionList = new ActionList(false);
              contentList.add(actionList);
          } else {
              actionList = contentList.get(0);
          }
          return actionList;
      }
docs: Returns the action list.
  If not yet instantiated then create a new one.
  
  @return the action list