/**
 * adaptive-tick.ts — Self-rescheduling setTimeout loop shared by live widgets.
 *
 * Prevents render pileup (unlike setInterval) and keeps active/idle cadence
 * in one place so AgentWidget and AgentTopWidget do not fork timer logic.
 */
export declare class AdaptiveTick {
    private readonly isAlive;
    private readonly onTick;
    private timer;
    private intervalMs;
    constructor(isAlive: () => boolean, onTick: () => void, initialIntervalMs: number);
    get currentIntervalMs(): number;
    setIntervalMs(ms: number): void;
    get running(): boolean;
    ensure(intervalMs?: number): void;
    /** Restart the loop immediately with the given interval (or current). */
    reschedule(intervalMs?: number): void;
    stop(): void;
    private schedule;
}