import { AfterContentInit, OnInit } from '@angular/core';
import * as i0 from "@angular/core";
export declare class KnowledgeOwlWidget implements OnInit, AfterContentInit {
    private projectURL;
    /** Flag to check initial page location updated */
    isPageLocationUpdated: boolean;
    /** Product key to access KnowledgeOwl widget. */
    projectKey: string;
    /** Current page location for widget context. */
    private _pageLocation;
    set pageLocation(value: string);
    get pageLocation(): string;
    constructor(projectURL: string);
    ngOnInit(): void;
    ngAfterContentInit(): void;
    /** Opens the widget. */
    open(article?: string): void;
    /**
     * Validates the widget's inputs.
     *
     * @private
     */
    protected _validateWidgetInputs(): void;
    /**
     * Private methods
     */
    /**
     * Throws an error if the productKey input is missing.
     *
     * @private
     */
    private _validateProductKey;
    /**
     * Throws an error if the productURL input is missing.
     *
     * @private
     */
    private _validateProductURL;
    /**
     * Initializes the widget.
     *
     * @private
     */
    private _initWidget;
    /**
     * Loads script into page
     *
     * @private
     */
    private _loadScript;
    /**
     * Init page location first time
     */
    private _initPageLocation;
    /**
     * Update page location on change
     *
     * @private
     */
    private _updatePageLocation;
    static ɵfac: i0.ɵɵFactoryDeclaration<KnowledgeOwlWidget, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<KnowledgeOwlWidget, "knowledge-owl-widget", ["knowledgeOwlWidget"], { "projectKey": { "alias": "projectKey"; "required": false; }; "pageLocation": { "alias": "pageLocation"; "required": false; }; }, {}, never, never, false, never>;
}