export declare class Framebuffer {
    width: number;
    height: number;
    colorDepth: number;
    pixels: Uint32Array;
    stride: number;
    offset: number;
    constructor(width: number, height: number, colorDepth: number, parent?: Framebuffer);
    inspect(): string;
    setPixel(x: number, y: number, color: number): void;
    getPixel(x: number, y: number): number;
    getPixelAsGray(x: number, y: number): number;
    isOn(x: number, y: number): boolean;
    averageBrightness(): number;
    fill(color: number): void;
    fillData(data: number[]): void;
    renderAlpha(backgroundColor: number): void;
    walk(f: (x: number, y: number, pixel: number) => boolean, x?: number, y?: number): void;
    view(x1: number, y1: number, x2: number, y2: number): Framebuffer;
}