type SegmentInfo = {
    segments: string[];
    ttl: number;
};
type SessionApiResponse = {
    apikey: string;
    sessionId: string;
    segmentInfo: SegmentInfo;
};
export declare const USER_SESSION_ID_STORAGE_KEY = "klevu-user-sessionId";
export declare const USER_SESSION_EXPIRY_STORAGE_KEY = "klevu-user-session_expiry";
export declare const USER_SEGMENT_INFO_STORAGE_KEY = "klevu-user-segmentInfo";
export declare class KlevuUserSession {
    timer: null | ReturnType<typeof setTimeout>;
    static default: KlevuUserSession | undefined;
    expiry?: string | null;
    segmentInfo?: SegmentInfo | null;
    sessionId?: string | null;
    constructor();
    static init(): void;
    static getDefault(): KlevuUserSession;
    hasSessionExpired(): boolean;
    generateSession(): Promise<void>;
    setExpiryTimer(): void;
    getSessionId: () => Promise<SessionApiResponse | undefined>;
    getSegments(): string[];
}
export {};