@TestOnly
  public static int getMatchedBraceOffset(@NotNull Editor editor, boolean forward, @NotNull PsiFile file) {
    Document document = editor.getDocument();
    int offset = editor.getCaretModel().getOffset();
    EditorHighlighter editorHighlighter = BraceHighlightingHandler.getLazyParsableHighlighterIfAny(file.getProject(), editor, file);
    HighlighterIterator iterator = editorHighlighter.createIterator(offset);
    boolean matched = matchBrace(document.getCharsSequence(), file.getFileType(), iterator, forward);
    if (!matched) throw new AssertionError();
    return iterator.getStart();
  }
@TestOnly
  public static int getMatchedBraceOffset(@NotNull Editor editor, boolean forward, @NotNull PsiFile file)