import { WebsiteSettings } from './api';
declare global {
    interface Window {
        vaWorkerTrackedWebsites?: string[];
        _visaSettings: any;
        commonConfig?: {
            bsi?: string;
        };
    }
    const packageVersion: string;
    const usePolls: boolean;
}
type VisaSettings = {
    platform: string;
    key: string;
    workerVersion: string;
    commandFnName: string;
    maxPrivacyMode: boolean;
};
export default class Worker {
    private websiteId;
    private platform;
    private key;
    private hash;
    private workerVersion;
    private storedDataKey;
    private previousUrl?;
    private referrer;
    private websiteSettings;
    private guid;
    private isInitialized;
    private visitorFingerprint;
    private commandFnName?;
    private maxPrivacyMode;
    /**
     *
     * @throws {Error}
     */
    constructor(websiteId: string, settings: VisaSettings);
    init(): Promise<void>;
    /**
     *
     * @param {string} url
     */
    handleEvent(url: string): void;
    /**
     *
     * @param {string} url
     * @returns
     */
    shouldTrack(url: string): boolean;
    triggerVisit(url: string, tags?: Record<string, string>): Promise<import("./api").VisitResponse>;
    getCommandFnName(): string | undefined;
    private computeVisitorFingerprint;
    private createDefaultWebsiteSettings;
    private readData;
    private readAndSyncData;
    private saveData;
    private removeData;
    private setCookie;
    private getDocumentTitle;
    private getReferrer;
    getWebsiteSettings(): WebsiteSettings;
}
export {};