import type { QuotaState, QuotaStore } from '../index.js';
/** In-memory per-actor/day token budget for tests and the offline demo. */
export declare class InMemoryQuotaStore implements QuotaStore {
    private readonly limitTokens;
    private readonly used;
    constructor(limitTokens?: number);
    private key;
    check(actorRef: string, day: string): Promise<QuotaState>;
    bump(actorRef: string, day: string, tokens: number): Promise<void>;
}
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