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 private foo(v: string): void {} 18 private bar(v: string): void {} 19} 20 21class B { 22 foo(v: string): void {} 23 private bar(v: string): void {} 24} 25 26function foo(x: A|B) { 27 /* @@ label */x.foo("123") 28} 29 30function bar(x: A|B) { 31 /* @@ label2 */x.bar("123") 32} 33 34/* @@@ label Error TypeError: Member type must be the same for all union objects. */ 35/* @@@ label Error TypeError: No matching call signature */ 36/* @@@ label2 Error TypeError: Signature bar(v: String): void is not visible here. */ 37/* @@@ label2 Error TypeError: No matching call signature for bar("123") */ 38