/// <reference types="webxr" />
import { ElementRef, NgZone } from '@angular/core';
import { Observable, Subscription } from 'rxjs';
import * as THREE from 'three';
import { NgtResizeResult } from '../services/resize';
import type { NgtBeforeRenderRecord, NgtPerformanceOptions, NgtState } from '../types';
import { NgtComponentStore, tapEffect } from './component-store';
import * as i0 from "@angular/core";
export declare class NgtStore extends NgtComponentStore<NgtState> {
    #private;
    private parentStore;
    private resizeResult$;
    private zone;
    readonly ready$: Observable<boolean>;
    constructor({ nativeElement: { clientWidth, clientHeight } }: ElementRef<HTMLElement>, performanceOptions: NgtPerformanceOptions, { devicePixelRatio }: Window, parentStore: NgtStore, resizeResult$: Observable<NgtResizeResult>, zone: NgZone);
    init(canvasElement: HTMLCanvasElement, rootStateMap: Map<Element, () => NgtState>, invalidate: (state?: () => NgtState, frames?: number) => void, advance: (timestamp: number, runGlobalCallbacks?: boolean, state?: () => NgtState, frame?: XRFrame) => void): void;
    onReady(cb: Parameters<typeof tapEffect>[0]): Subscription;
    registerBeforeRender(record: NgtBeforeRenderRecord): () => void;
    unregisterBeforeRender(uuid: string): void;
    addInteraction(interaction: THREE.Object3D): void;
    removeInteraction(uuid: string): void;
    setFrameloop(frameloop?: NgtState['frameloop']): void;
    setDpr(dpr: NgtState['dpr']): void;
    readonly startLoop: (observableOrValue: NgtState | Observable<NgtState>) => Subscription;
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<NgtStore, [null, null, null, { optional: true; skipSelf: true; }, null, null]>;
    static ɵprov: i0.ɵɵInjectableDeclaration<NgtStore>;
}