export interface FleetNotifierOptions {
    /** WrongStack global dir (`~/.wrongstack`) holding `webui-instances.json`. */
    baseDir: string;
    /** This process's project root — only WebUIs on the same project are pinged. */
    projectRoot: string;
    /** This process's pid, so a WebUI never pings itself. */
    selfPid?: number | undefined;
    /** Injectable POST for tests. Defaults to a timed `fetch`. */
    post?: ((url: string) => Promise<void>) | undefined;
}
export declare class FleetNotifier {
    private readonly baseDir;
    private readonly projectRoot;
    private readonly selfPid;
    private readonly doPost;
    private cache;
    private timer;
    private disposed;
    constructor(opts: FleetNotifierOptions);
    /** Coalesced, best-effort nudge. Safe to call on every status change. */
    notify(): void;
    /** Resolve same-project WebUI ping URLs (cached briefly). Exposed for tests. */
    endpoints(): Promise<string[]>;
    dispose(): void;
    private flush;
    private discover;
}
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