code: void removeRange(int firstParagraph, int lastParagraph) {
      for(int i = 0; i < entries.size(); i++) {
        if(entries.get(i).numberOfParagraph >= firstParagraph && entries.get(i).numberOfParagraph <= lastParagraph) {
          entries.remove(i);
          i--;
        }
      }
    }
docs: Remove all cache entries between firstParagraph and lastParagraph