import { Camera, Material, Mesh, RawShaderMaterial, Texture, WebGLRenderer, WebGLRenderTarget } from 'three';
export declare class FullscreenRenderer {
    camera: Camera;
    mesh: Mesh;
    copyMaterial: RawShaderMaterial;
    constructor();
    renderMaterial(renderer: WebGLRenderer, buffer: WebGLRenderTarget | null, material: Material): void;
    renderTexture(renderer: WebGLRenderer, buffer: WebGLRenderTarget | null, texture: Texture, opacity?: number): void;
}