/**
 * Pacer — Rate-limit-aware scheduling for the autonomous loop.
 *
 * Manages cooldowns between laps and API calls to stay within
 * the Anthropic API rate limits (450K input tokens/min).
 */
export declare class Pacer {
    private apiCallTimestamps;
    private backoffLevel;
    private maxBackoffLevel;
    /**
     * Wait between laps.
     */
    waitBetweenLaps(): Promise<void>;
    /**
     * Wait between individual API calls within a lap.
     */
    waitBetweenApiCalls(): Promise<void>;
    /**
     * Wait between full pipeline runs (Type B laps).
     */
    waitBetweenPipelineRuns(): Promise<void>;
    /**
     * Record an API call for rate tracking.
     */
    recordApiCall(): void;
    /**
     * Record a rate limit hit — increases all cooldowns.
     */
    record429(): void;
    /**
     * Record a successful API call — may decrease backoff over time.
     */
    recordSuccess(): void;
    /**
     * Check if the loop should stop based on time budget.
     */
    shouldStop(startTime: number, maxHours: number): boolean;
    /**
     * Get the number of API calls in the last 60 seconds.
     */
    getRecentCallCount(): number;
}
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