import type { Url } from './http';
import type { RunLabel } from './runLabel';
import type { Selector } from './selectors';
import type { TestStaticOptions } from './testRun';
import type { TestMetaPlaceholder } from './userland';
/**
 * Functions that describe the `toMatchScreenshot` assert (in `expect`).
 */
export type MatchScreenshotConfig<TestMeta = TestMetaPlaceholder> = Readonly<{
    /**
     * Get url to screenshot (for using in web-interfaces) by `screenshotId`.
     */
    getScreenshotUrlById: (this: void, screenshotId: string) => Url;
    /**
     * Reads screenshot by `screenshotId`.
     */
    readScreenshot: (this: void, screenshotId: string, meta: ScreenshotMeta<TestMeta>) => Promise<Uint8Array | undefined>;
    /**
     * Writes screenshot by `screenshotId` and optional context info.
     */
    writeScreenshot: (this: void, screenshot: Uint8Array, meta: ScreenshotMeta<TestMeta>) => Promise<string>;
}>;
/**
 * General screenshot metadata (like test name, assert description, etc.).
 */
export type ScreenshotMeta<TestMeta = TestMetaPlaceholder> = Readonly<{
    actual: string | undefined;
    description: string;
    expected: string | undefined;
    options: ToMatchScreenshotOptions;
    pageUrl: Url;
    pathToPack: string;
    runLabel: RunLabel;
    selector: string;
    testStaticOptions: TestStaticOptions<TestMeta>;
    timeInMs: number;
}>;
/**
 * Options for `toMatchScreenshot` assert.
 */
export type ToMatchScreenshotOptions = Readonly<{
    animations?: 'allow' | 'disabled';
    caret?: 'hide' | 'initial';
    mask?: readonly Selector[];
    maskColor?: string;
    maxDiffPixelRatio?: number;
    maxDiffPixels?: number;
    omitBackground?: boolean;
    scale?: 'css' | 'device';
    threshold?: number;
    timeout?: number;
}>;