import type { Dashboard } from "./dashboard.js";
type DemoDashboard = Pick<Dashboard, "appendOutput" | "updateStats">;
type DemoRuntime = {
    setInterval: typeof globalThis.setInterval;
    clearInterval: typeof globalThis.clearInterval;
    setTimeout: typeof globalThis.setTimeout;
    clearTimeout: typeof globalThis.clearTimeout;
    now: () => number;
    random: () => number;
};
export declare function startDashboardDemo(dashboard: DemoDashboard, runtime?: Partial<DemoRuntime>): () => void;
export declare function main(): Promise<void>;
export {};