import { Material, OrthographicCamera, PerspectiveCamera, Scene, WebGLRenderer } from 'three';
import { PassOptions } from './GPass.js';
import SpeckleViewportMaterial from '../../materials/SpeckleViewportMaterial.js';
import { Asset } from '../../../IViewer.js';
import { GeometryPass } from './GeometryPass.js';
export interface ViewportPassOptions extends PassOptions {
    minIntensity?: number;
    matcapTexture?: Asset | null;
    opacity?: number;
}
export declare const DefaultViewportPassOptions: Required<ViewportPassOptions>;
export declare class ViewportPass extends GeometryPass {
    protected viewportMaterial: SpeckleViewportMaterial;
    protected pendingTexture: boolean;
    _options: Required<ViewportPassOptions>;
    get displayName(): string;
    get overrideBatchMaterial(): Material;
    set options(value: ViewportPassOptions);
    constructor();
    protected setMatcapTexture(asset: Asset | null): void;
    render(renderer: WebGLRenderer, camera: PerspectiveCamera | OrthographicCamera | null, scene?: Scene): boolean;
}