import type { Session } from "../session.js";
import type { SessionStore, RateLimiterAdapter, RateLimitState } from "./types.js";
export declare class MemorySessionStore implements SessionStore {
    private sessions;
    private userIndex;
    get(id: string): Promise<Session | undefined>;
    set(id: string, session: Session): Promise<void>;
    delete(id: string): Promise<void>;
    getByUser(userId: string): Promise<string[]>;
    cleanup(ttlMs: number): Promise<number>;
}
export declare class MemoryRateLimiter implements RateLimiterAdapter {
    private requests;
    private costs;
    private config;
    constructor(config?: {
        maxPerMinute?: number;
        maxPerHour?: number;
        maxCostPerHour?: number;
    });
    private cleanOldRequests;
    check(key: string): Promise<RateLimitState>;
    record(key: string, cost?: number): Promise<void>;
    reset(key: string): Promise<void>;
    getStats(key: string): Promise<{
        requestsLastMinute: number;
        requestsLastHour: number;
        costLastHour: number;
    }>;
}
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