export declare function shouldPersistSession(persisted: boolean | string): void;
export declare function setKeyToLocalStore(key: string, value: unknown, ttl?: Date | null): void;
export declare function getKeyFromLocalStore(key: string): unknown | null;
export declare function clearKeyFromLocalStore(key: string): void;
export declare function clearExpiredFromLocalStore(): void;
export declare function clearSessionPersistenceFlag(): void;
export declare function isSessionBeingPersisted(): boolean;