import { Lifecycle, type FirstFrameState } from './Lifecycle.js';
/** Poll-driven; the session owns subscription effects and disposal. */
export declare class FirstFrameRecovery {
    readonly lifecycle: Lifecycle<FirstFrameState, import("./Lifecycle.js").FirstFrameEvent>;
    private track?;
    private startedAt;
    private cooldownUntil;
    observe(track: object, frames: number, now: number): boolean;
}