import { LitElement } from "lit";
export declare class HelloWorld extends LitElement {
    clientName: string;
    appId: string;
    selector: string;
    lang: string;
    text: string;
    initialPlay: boolean;
    playing: boolean;
    startTimeInMiliseconds: number;
    endTimeInMiliseconds: number;
    analyticsData: {};
    static styles: import("lit").CSSResult;
    private _isSendBeaconSupported;
    private _isAppIdProvided;
    private _isSelectorDefined;
    private svgPlayButton;
    private svgPauseButton;
    connectedCallback(): void;
    private _play;
    private _pause;
    private _sendAnalytics;
    render(): import("lit-html").TemplateResult<1> | undefined;
}
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