import { NgtComponentStore, NgtStore, Ref } from '@angular-three/core';
import { Provider } from '@angular/core';
import { Observable } from 'rxjs';
import * as THREE from 'three';
import { NgtSobaFBO } from '../fbo/fbo';
import * as i0 from "@angular/core";
export interface NgtSobaDepthBufferState {
    depthTexture: Ref<THREE.WebGLRenderTarget['depthTexture']>;
    depthFBO: THREE.WebGLRenderTarget;
    depthConfig: {
        depthTexture: THREE.WebGLRenderTarget['depthTexture'];
    };
    frames: number;
    size: number;
    width: number;
    height: number;
}
export interface NgtSobaDepthBufferParams {
    size?: number;
    frames?: number;
}
export declare class NgtSobaDepthBuffer extends NgtComponentStore<NgtSobaDepthBufferState> {
    private store;
    private fbo;
    constructor(store: NgtStore, fbo: NgtSobaFBO);
    private count;
    private useSubscription?;
    use(paramsFactory: (defaultParams: Partial<NgtSobaDepthBufferParams>) => NgtSobaDepthBufferParams | Observable<NgtSobaDepthBufferParams>): Ref<THREE.WebGLRenderTarget['depthTexture']>;
    private readonly setDepthConfig;
    private readonly setDepthFBO;
    private readonly setFboBeforeRender;
    static ɵfac: i0.ɵɵFactoryDeclaration<NgtSobaDepthBuffer, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<NgtSobaDepthBuffer>;
}
export declare function provideSobaDepthBuffer(): Provider;