import { IFile } from '../types';
/**
 * Compare the two images and return true if they are equal visually. Optionally, a margin of error can be provided using `fuzz`
 */
export declare function imageCompare(img1?: IFile, img2?: IFile, fuzz?: number): Promise<boolean>;
export declare function imageCompareNumber(img1: IFile, img2: IFile): Promise<number>;