import type { RenderTarget } from './RenderTarget';
/**
 * Checks if the render target is viewable on the screen
 * Basically, is it a canvas element and is that canvas element in the DOM
 * @param renderTarget - the render target to check
 * @returns true if the render target is viewable on the screen
 */
export declare function isRenderingToScreen(renderTarget: RenderTarget): boolean;