/// <reference types="testcafe" />
import { Image } from './image-utils';
import { ScreenshotLocations } from './file-utils';
import { IComparerOptions, IRGBColor, SelectorType } from './options';
import Diagnostics from './diagnostics';
export declare function buildMask(ethalon: Image, current: Image, imageForMask: Image, options: IComparerOptions['looksSameComparisonOptions'], color: IRGBColor, radius: number): Promise<{
    mask: Image;
    diff: Image;
}>;
export declare function buildTextMask(options: IComparerOptions, attempt: number, t: TestController, element: SelectorType, locations: ScreenshotLocations, diag: Diagnostics, currentScreenshot: Image, emptyImage: Image, sourceScreenshot: Image): Promise<Image>;