@Nullable
  private static String getExprText(PsiExpression expr, PsiLocalVariable localVariable) {
    final String exprText = expr != null ? expr.getText() : null;
    if (localVariable != null) {
      final PsiExpression initializer = localVariable.getInitializer();
      return initializer != null ? initializer.getText() : exprText;
    }
    else {
      return exprText;
    }
  }
@Nullable
  private static String getExprText(PsiExpression expr, PsiLocalVariable localVariable)