import { Composite } from '../Filter';
import { Stream } from '../Compiler';
/**
 * @category composable/composites
 */
export declare class BlackoutComposite extends Composite {
    width: number;
    height: number;
    start: number;
    end: number;
    original: Stream;
    constructor(original: Stream, width: number, height: number, start: number, end: number);
    compose(): Stream;
    clone(): Composite;
}
/**
 * @category composable/composites
 */
export declare function blackout(input: Stream, width: number, height: number, start: number, end: number): BlackoutComposite;