@Override
  public void addOccurrenceHighlights(@NotNull Editor editor,
                                      PsiReference @NotNull [] occurrences,
                                      @NotNull TextAttributesKey attributesKey,
                                      boolean hideByTextChange,
                                      @Nullable Collection<? super RangeHighlighter> outHighlighters) {
    if (occurrences.length == 0) return;
    int flags = HIDE_BY_ESCAPE;
    if (hideByTextChange) {
      flags |= HIDE_BY_TEXT_CHANGE;
    }
    int oldOffset = editor.getCaretModel().getOffset();
    int horizontalScrollOffset = editor.getScrollingModel().getHorizontalScrollOffset();
    int verticalScrollOffset = editor.getScrollingModel().getVerticalScrollOffset();
    for (PsiReference occurrence : occurrences) {
      PsiElement element = occurrence.getElement();
      int startOffset = element.getTextRange().getStartOffset();
      int start = startOffset + occurrence.getRangeInElement().getStartOffset();
      int end = startOffset + occurrence.getRangeInElement().getEndOffset();
      PsiFile containingFile = element.getContainingFile();
      Project project = element.getProject();
      // each reference can reside in its own injected editor
      Editor textEditor = InjectedLanguageUtil.openEditorFor(containingFile, project);
      if (textEditor != null) {
        addOccurrenceHighlight(textEditor, start, end, null, attributesKey, flags, outHighlighters, null);
      }
    }
    editor.getCaretModel().moveToOffset(oldOffset);
    editor.getScrollingModel().scrollToCaret(ScrollType.RELATIVE);
    editor.getScrollingModel().scrollHorizontally(horizontalScrollOffset);
    editor.getScrollingModel().scrollVertically(verticalScrollOffset);
  }
@Override
  public void addOccurrenceHighlights(@NotNull Editor editor,
                                      PsiReference @NotNull [] occurrences,
                                      @NotNull TextAttributesKey attributesKey,
                                      boolean hideByTextChange,
                                      @Nullable Collection<? super RangeHighlighter> outHighlighters)