import { PalEventApi } from './api/event.api';
import { PalSession } from './api/models/session.model';
import { SessionsApi } from './api/sessions.api';
import { PalTriggeredEventApi } from './api/triggered_event.api';
import { PalOptions } from './options';
import { PalSdk } from './sdk/palsdk';
export declare class Pal {
    private sessionsApi;
    private eventsApi;
    private triggeredEventApi?;
    private palSdk;
    private options;
    private hasInitialized;
    private lastVisitedScreen?;
    private static _instance;
    static getInstance(): Pal;
    static createInstance(options: PalOptions): Pal;
    constructor(sessionsApi: SessionsApi, eventsApi: PalEventApi, options: PalOptions, palSdk: PalSdk, triggeredEventApi?: PalTriggeredEventApi | undefined);
    initialize(): Promise<void>;
    getSession(): Promise<PalSession | null>;
    clearSession(): Promise<void>;
    /**
     * Calls logCurrentScreen using the url from your window
     */
    logCurrentScreenAuto(): Promise<void>;
    /**
     * Prefer using logCurrentScreenAuto
     *
     * send the screen view event to the server
     * if a video is triggered, it will be returned
     * depending on configuration
     * - user will see video on first time this screen as been seen
     * Or each time this screen is visited
     *
     * - each time we log a new screen we remove old videos from the page
     * - if the last visited screen name is the same we ommit this request
     */
    logCurrentScreen(name: string): Promise<void>;
    private _sendTriggeredEvent;
}