import type { BrowserConfig } from './story-diff.types.js';
import type { Logger } from './logger.js';
type LaunchWaitUntil = 'load' | 'domcontentloaded';
interface ViewportSize {
    readonly width: number;
    readonly height: number;
}
interface WaitForOptions {
    readonly timeout: number;
}
interface GotoOptions {
    readonly waitUntil: LaunchWaitUntil;
    readonly timeout: number;
}
interface ScreenshotOptions {
    readonly path?: string;
    readonly type?: 'png';
    readonly omitBackground?: boolean;
}
interface BoundingBox {
    readonly x: number;
    readonly y: number;
    readonly width: number;
    readonly height: number;
}
export interface BrowserResponse {
    ok(): boolean;
    status(): number;
}
export interface ElementHandleAdapter {
    boundingBox(): Promise<BoundingBox | null>;
    evaluate<R>(pageFunction: (element: unknown) => R | Promise<R>): Promise<R>;
    screenshot(options: ScreenshotOptions): Promise<Buffer>;
    getUnderlyingObject(): unknown;
}
export interface PageAdapter {
    setViewport(viewport: ViewportSize): Promise<void>;
    setDefaultNavigationTimeout(timeout: number): Promise<void>;
    setDefaultTimeout(timeout: number): Promise<void>;
    goto(url: string, options: GotoOptions): Promise<BrowserResponse | null>;
    waitForFunction(expression: string, options: WaitForOptions): Promise<void>;
    waitForSelector(selector: string, options: WaitForOptions): Promise<void>;
    query(selector: string): Promise<ElementHandleAdapter | null>;
    screenshot(options: ScreenshotOptions): Promise<Buffer>;
    getUnderlyingObject(): unknown;
}
export interface BrowserAdapter {
    newPage(): Promise<PageAdapter>;
    close(): Promise<void>;
}
export declare function launchBrowser(config?: BrowserConfig, logger?: Logger): Promise<BrowserAdapter>;
export declare function createPage(browser: BrowserAdapter, width?: number, height?: number): Promise<PageAdapter>;
export declare function closeBrowser(browser: BrowserAdapter): Promise<void>;
export {};
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