@virtualstate/app-history/esnext/tests/util.d.ts

Native JavaScript [app-history](https://github.com/WICG/app-history) implementation

import { AppHistory } from "../spec/app-history";
export declare function ok(value: unknown): void;
export declare function assert<T>(value: unknown, message?: string): asserts value is T;
export declare function debug(...messages: unknown[]): void;
declare global {
    const appHistory: AppHistory;
}
export declare function isWindowAppHistory(appHistory: AppHistory): boolean;