private static String getBodyText(PsiLambdaExpression lambdaExpression) {
    @NonNls String blockText;
    final PsiElement body = lambdaExpression.getBody();
    if (body instanceof PsiExpression) {
      final PsiType returnType = LambdaUtil.getFunctionalInterfaceReturnType(lambdaExpression);
      blockText = "{\n";
      blockText += PsiTypes.voidType().equals(returnType) ? "" : "return ";
      blockText +=  body.getText() + ";\n}";
    } else if (body != null) {
      blockText = body.getText();
    } else {
      blockText = null;
    }
    return blockText;
  }
private static String getBodyText(PsiLambdaExpression lambdaExpression)