import Observer from './observer.js';
import { Offset } from './iframe_offsets.js';
import App from '../index.js';
export declare enum InlineCssMode {
    None = 0,
    RemoteOnly = 1,
    RemoteWithForceFetch = 2,
    All = 3,
    Auto = 4
}
export interface Options {
    captureIFrames: boolean;
    disableSprites: boolean;
    /**
     * with this option instead of using link element with href to load css,
     * we will try to parse the css text instead and send it as css rules set
     * can (and probably will) affect performance to certain degree,
     * especially if the css itself is crossdomain
     * @default false
     * */
    inlineCss: InlineCssMode;
}
type Context = Window & typeof globalThis;
type ContextCallback = (context: Context) => void;
export default class TopObserver extends Observer {
    private readonly options;
    private readonly iframeOffsets;
    readonly app: App;
    constructor(params: {
        app: App;
        options: Partial<Options>;
    });
    private readonly contextCallbacks;
    private readonly contextsSet;
    attachContextCallback(cb: ContextCallback): void;
    getDocumentOffset(doc: Document): Offset;
    private iframeObserversArr;
    private iframeObservers;
    private docObservers;
    private handleIframe;
    private shadowRootObservers;
    private handleShadowRoot;
    observe(): void;
    crossdomainObserve(rootNodeId: number, frameOder: number): void;
    disconnect(): void;
}
export {};