/// <reference types="googletag" />
import { NgGptServiceOptions } from './ng-gpt-options.service';
import { ScriptInjectorUtil } from './utils';
import * as i0 from "@angular/core";
export declare class NgGptService {
    private options;
    private platformId;
    private scriptInjector;
    private $singleRequest;
    constructor(options: NgGptServiceOptions, platformId: Object, scriptInjector: ScriptInjectorUtil);
    init(): void;
    define(ad: any, slot?: googletag.Slot): googletag.Slot;
    display(slot: googletag.Slot): void;
    refresh(slot: googletag.Slot): void;
    destroy(slot: googletag.Slot): void;
    getSlot(id: string): googletag.Slot | undefined;
    getSlots(ids?: string[]): googletag.Slot[];
    defineTask(task: () => void): boolean;
    static ɵfac: i0.ɵɵFactoryDeclaration<NgGptService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<NgGptService>;
}