/* * Copyright (c) 2023 Huawei Device Co., Ltd. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ type Facts = { [key: string]: boolean }; declare function checkTruths(x: Facts): void; declare function checkM(x: { m: boolean }): void; const x = { m: true }; checkTruths(x); checkM(x); const m: boolean = x.m; type M = keyof typeof x; const x2 = { m: true, s: "false" } satisfies Facts;