/**
 * Call this function to let the libs require extra dependencies on nodejs in order
 * to polyfill some browser api's (mostly image compression/decompression)
 * `NodePolifill.polyfillRequire(require);` should solve most cases
 */
export declare function polyfillRequire(requirefn: (mod: string) => any): void;
export declare function requireSharp(): any;
export declare function requireNodeCanvas(): any;
export declare function requireElectronCommon(): any;
export declare function imageDataToDrawable(buf: ImageData): any;
export declare function createCanvas(w: number, h: number): HTMLCanvasElement;
export declare function imageDataToFileBytes(buf: ImageData, format: "image/png" | "image/webp", quality?: any): Promise<any>;
export declare function imageDataFromBase64(base64: string): Promise<ImageData>;
export declare function imageDataFromBuffer(buffer: Uint8Array): Promise<ImageData>;
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