import type { RectangleLike, RenderTargetLikeReactiveObject, ResourceEvents, WebGLRenderer } from '../../core';
import { Resource } from '../../core';
import { Texture2D } from '../resources';
export interface RenderTargetEvents extends ResourceEvents {
}
export interface RenderTarget {
    on: <K extends keyof RenderTargetEvents & string>(event: K, listener: (...args: RenderTargetEvents[K]) => void) => this;
    once: <K extends keyof RenderTargetEvents & string>(event: K, listener: (...args: RenderTargetEvents[K]) => void) => this;
    off: <K extends keyof RenderTargetEvents & string>(event: K, listener: (...args: RenderTargetEvents[K]) => void) => this;
    emit: <K extends keyof RenderTargetEvents & string>(event: K, ...args: RenderTargetEvents[K]) => this;
}
export declare class RenderTarget extends Resource implements RenderTargetLikeReactiveObject {
    isRoot: boolean;
    x: number;
    y: number;
    width: number;
    height: number;
    mipLevel: number;
    msaa: boolean;
    colorTextures: Texture2D<null>[];
    get valid(): boolean;
    get colorTexture(): Texture2D<null>;
    activate(renderer: WebGLRenderer, frame?: RectangleLike): boolean;
    protected _destroy(): void;
}