import { Context, ContextManager, Observable } from '@zcomponent/core';
import * as Zappar from '@zappar/zappar';
/** @zui */
export declare class WorldTrackerContext extends Context {
    /** @zui */
    quality: Observable<Zappar.WorldTrackerQuality, never>;
    /** @zui */
    ready: Observable<boolean, never>;
    worldTracker?: Zappar.WorldTracker;
    groundAnchor: Zappar.WorldAnchor;
    worldAnchor: Zappar.WorldAnchor;
    private _readys;
    constructor(contextManager: ContextManager, props: {});
    private _reset;
    registerNotReady(entity: any): void;
    unregisterNotReady(entity: any): void;
    dispose(): never;
}
export declare function getSimulatedAnchor(indx: number): Zappar.WorldAnchor;