import type { SessionState } from './state.js';
export interface SessionStore {
    load(spaceId?: string, rootEntryId?: string, sessionName?: string): SessionState | null | Promise<SessionState | null>;
    save(state: SessionState, sessionName?: string): void | Promise<void>;
    clear(spaceId: string, rootEntryId: string, sessionName?: string): void | Promise<void>;
    clearAll(): void | Promise<void>;
}
export interface RedisClient {
    /** Upstash may return parsed JSON objects when automaticDeserialization is enabled. */
    get(key: string): Promise<unknown>;
    set(key: string, value: string, options?: {
        ex?: number;
        nx?: boolean;
    }): Promise<boolean | void>;
    del(key: string): Promise<void>;
    /** Prefer not to use for multi-tenant session isolation — prefer explicit keys / SETs. */
    keys(pattern: string): Promise<string[]>;
    incr(key: string): Promise<number>;
    expire(key: string, seconds: number): Promise<void>;
    /** Set members — used for per-user+space session index (clearAll without KEYS). */
    sadd(key: string, ...members: string[]): Promise<number>;
    srem(key: string, ...members: string[]): Promise<number>;
    smembers(key: string): Promise<string[]>;
}
export declare function buildSessionKey(userId: string | undefined, spaceId: string, rootEntryId: string, sessionName?: string): string;
export declare function buildSessionNameSuffix(sessionName: string): string;
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