package c.e.b;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Objects;

/* JADX INFO: loaded from: classes.dex */
public class d {
    public static List<String> a(List<String> list, List<String> list2) {
        if (list == null) {
            return list2;
        }
        if (list2 == null) {
            return list;
        }
        c.d.c cVar = new c.d.c(list2.size() + list.size());
        cVar.addAll(list);
        cVar.addAll(list2);
        return new ArrayList(cVar);
    }

    public static List<String> b(List<f> list) {
        if (list == null) {
            return null;
        }
        ArrayList arrayList = new ArrayList(list.size());
        Iterator<f> it = list.iterator();
        while (it.hasNext()) {
            Objects.requireNonNull(it.next());
            arrayList.add("");
        }
        return arrayList;
    }
}