import type { ImageSource, Pixels } from '../types';
export declare class ImageToPixels implements ReadableWritablePair<Pixels, ImageSource> {
    protected static _ctx2d?: CanvasRenderingContext2D | null;
    static get ctx2d(): CanvasRenderingContext2D;
    protected _rsControler: ReadableStreamDefaultController<Pixels>;
    readable: ReadableStream<Pixels>;
    writable: WritableStream<ImageSource>;
}