使用本地类时无效的构造函数引用？

Given the following code:

给出以下代码:

package com.gmail.oksandum.test;

import java.util.ArrayList;
import java.util.List;

public class Test {

    public static void main(String[] args) {
    }

    public void foo() {
        class LocalFoo {

            LocalFoo(String in) {
                //Some logic
            }

        }

        List<String> ls = new ArrayList<>();
        ls.stream().map(LocalFoo::new); //Line 21
    }

}
package c