// "Fix all 'Stream API call chain can be replaced with loop' problems in file" "true"

import java.util.*;
import java.util.stream.*;

class X {
  record N(N parent, List<N> children, String whatever) {}
  
  private static N reproducer(N parent, String frame) {
    return parent.children.<caret>stream()
      .filter(child -> child.whatever.equals(frame))
      .findAny()
      .orElseGet(() -> {
        N result = new N(parent, new ArrayList<>(), frame);
        parent.children.add(result);
        return result;
      });
  }

  void testMap(List<String> list) {
    List<List<String>> newList = list.stream()
      .map(item -> {
        List<String> result = new ArrayList<>();
        result.add(item);
        result.add(item + item);
        return result;
      })
      .collect(Collectors.toList());
  }

  void testFilter(List<String> list) {
    List<String> newList = list.stream()
      .filter(s -> {
        boolean result = false;
        if (s.isEmpty()) result = true;
        return result;
      })
      .collect(Collectors.toList());
  }

  private static List<String> getStrings(List<String> test) {
    return test.stream()
      .collect(()->{
        ArrayList<String> objects = new ArrayList<>();
        objects.add("1");
        return objects;
      }, (strings, string) -> {
        System.out.println("1");
        strings.add(string);
      }, (strings, strings2) -> strings.addAll(strings2));
  }
}