import { WebGLRenderTarget } from 'three';
export declare class RenderTargetPair {
    private pingPong;
    private RT1;
    private RT2;
    constructor();
    setSize(x: number, w: number): void;
    toggle(): void;
    previous(): WebGLRenderTarget<import("three").Texture>;
    current(): WebGLRenderTarget<import("three").Texture>;
}