public void release() {
    int line = getLine();
    if (line < 0) {
      return;
    }
    final Document document = getCachedDocument();
    if (document == null) return;
    MarkupModelEx markup = (MarkupModelEx)DocumentMarkupModel.forDocument(document, myTarget.getProject(), true);
    final Document markupDocument = markup.getDocument();
    if (markupDocument.getLineCount() <= line) return;
    RangeHighlighterEx highlighter = findMyHighlighter();
    if (highlighter != null) {
      myHighlighterRef = null;
      highlighter.dispose();
    }
  }
public void release()