1/* 2 * Copyright (c) 2025 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 16class A { 17 static foo() {} 18} 19 20class B { 21 public a : A 22 constructor(a : A) { 23 this.a = a 24 } 25} 26 27class C { 28 public b : B 29 constructor(b : B) { 30 this.b = b 31 } 32} 33 34class D { 35 public c : C 36 constructor(c : C) { 37 this.c = c 38 } 39} 40 41function main() { 42 let a : A = new A() 43 let b : B = new B(a) 44 let c : C = new C(b) 45 let d : D = new D(c) 46 47 d.c.b.a./* @@ label */foo() 48} 49 50/* @@@ label Error TypeError: 'foo' is a static property of 'A' */ 51