private @NotNull String getNormalizedText() {
    String whiteSpaceAndComments = myCachedNormalizedText;
    if (whiteSpaceAndComments == null) {
      myCachedNormalizedText = whiteSpaceAndComments = JavaSourceUtil.getReferenceText(this);
    }
    return whiteSpaceAndComments;
  }
private @NotNull String getNormalizedText()