1/*
2 * Copyright (c) 2024 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16interface ListItem {
17    getHead(): this
18}
19
20class C {
21    n: number = 0
22
23    m(c: this) {
24        console.log(c)
25    }
26}
27
28interface ListItem2 {
29    getHead(): ListItem
30}
31
32class D {
33    n: number = 0
34
35    m(c: D) {
36        console.log(c)
37    }
38}