Moshi将null反序列化为空列表

import com.squareup.moshi.JsonAdapter;
import com.squareup.moshi.Moshi;
import com.squareup.moshi.Types;
import java.io.IOException;
import java.lang.reflect.Type;
import java.util.List;

public class Main {
    public static void main(String[] args) {
        String json = "{\"list\": null}";

        Moshi moshi = new Moshi.Builder().build();
        Type type = Types.newParameterizedType(List.class, String.class);
        JsonAdapter<List<String>> adapter = moshi.adapter(type);

        try {
            List<String> list = adapter.fromJson(json);
            if (list == null) {
                list = new ArrayList<>();
            }
            System.out.println(list);
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}