import { OutputStream } from '../io/OutputStream';
export declare class GIFImage {
    private width;
    private height;
    private data;
    constructor(width: number, height: number);
    setPixel(x: number, y: number, pixel: number): void;
    getPixel(x: number, y: number): number;
    write(out: OutputStream): void;
    private getLZWRaster(lzwMinCodeSize);
    private writeWord(out, i);
    private writeBytes(out, bytes, off, len);
    toDataURL(): string;
}