public static @Nullable PsiExpression convertToMethodCallInLambdaBody(PsiMethodReferenceExpression element) {
    final PsiLambdaExpression lambdaExpression = convertMethodReferenceToLambda(element, false, true);
    return lambdaExpression != null ? LambdaUtil.extractSingleExpressionFromBody(lambdaExpression.getBody()) : null;
  }
public static @Nullable PsiExpression convertToMethodCallInLambdaBody(PsiMethodReferenceExpression element)