export interface SetOptions {
    conditionalSet?: 'exists' | 'not-exists';
}
export interface Store {
    del(key: string): Promise<void>;
    llen(key: string): Promise<number>;
    lset(key: string, index: number, value: string): Promise<void>;
    lindex(key: string, index: number): Promise<string | null>;
    rpush(key: string, value: string): Promise<void>;
    lpush(key: string, value: string): Promise<void>;
    rpop(key: string): Promise<string | null>;
    lpop(key: string): Promise<string | null>;
    lrange(key: string, start: number, end: number): Promise<string[]>;
    get(key: string): Promise<string | null>;
    keys(pattern: string): Promise<string[]>;
    exists(key: string): Promise<number>;
    expire(key: string, seconds: number): Promise<void>;
    set(key: string, value: string, options?: SetOptions): Promise<boolean>;
    disconnect(): void;
}