public static void simplifyToExpressionLambda(@NotNull PsiLambdaExpression lambdaExpression) {
    final PsiElement body = lambdaExpression.getBody();
    final PsiExpression singleExpression = RedundantLambdaCodeBlockInspection.isCodeBlockRedundant(body);
    if (singleExpression != null) {
      body.replace(singleExpression);
    }
  }
public static void simplifyToExpressionLambda(@NotNull PsiLambdaExpression lambdaExpression)