import { Observable } from 'rxjs';
import * as i0 from "@angular/core";
export declare class ScriptService {
    private _document;
    constructor(_document: any);
    private scriptsLoaders;
    private _loadScript;
    /**
     * Injects script from given url to target place in DOM
     * This method loads script from same url once.
     *
     * @param url Url of the external script to be loaded
     * @param attributes Attribute list to be added to the script element
     * @param targetEl Target element for the placing script tag. It can be a selector or a element reference
     */
    loadScript(url: string, attributes?: {
        [s: string]: string;
    }, targetEl?: HTMLElement | string): Observable<Event>;
    /**
     * Injects script from given url to target place in DOM
     * If you call this method for same url multiple times, it will inject same code to document multiple times.
     *
     * @param url Url of the external script to be loaded
     * @param attributes Attribute list to be added to the script element
     * @param targetEl Target element for the placing script tag. It can be a selector or a element reference
     */
    runScript(url: string, attributes?: {
        [s: string]: string;
    }, targetEl?: HTMLElement | string): Observable<Event>;
    static ɵfac: i0.ɵɵFactoryDeclaration<ScriptService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<ScriptService>;
}