export interface QuotaSnapshot {
    readonly fiveHourUtilization?: number;
    readonly fiveHourResetsAt?: Date;
    readonly sevenDayUtilization?: number;
    readonly sevenDayResetsAt?: Date;
    readonly observedAt: Date;
}
export declare function parseQuotaHeaders(headers: Headers): QuotaSnapshot | undefined;
export declare function recordQuotaSnapshot(snapshot: QuotaSnapshot): void;
export declare function getQuotaSnapshot(): QuotaSnapshot | undefined;
export declare function onQuotaUpdate(listener: () => void): () => void;
export declare function resetQuotaCacheForTests(): void;