type Browser = import('playwright').Browser;
type BrowserContext = import('playwright').BrowserContext;
type Page = import('playwright').Page;
/**
 * Get a Playwright browser instance
 * Tries to connect to existing CDP first, then falls back to launching a new instance
 */
export declare function getBrowser(url?: string, options?: {
    verbose?: boolean;
}): Promise<{
    browser: Browser;
    page: Page;
    isNew: boolean;
}>;
/** Temporarily hide DevBar chrome on a Playwright page. */
export declare function hideDevbarOnPage(page: Page): Promise<() => Promise<void>>;
/** Run an arbitrary Playwright capture while DevBar chrome is hidden. */
export declare function withHiddenDevbarForScreenshot<T>(page: Page, capture: () => Promise<T>): Promise<T>;
/**
 * Patch a Playwright page so every `page.screenshot()` call temporarily hides
 * DevBar chrome. This cannot intercept OS/browser screenshots, but it covers
 * the common Playwright test path without changing each call site.
 *
 * @returns Cleanup function that restores the original screenshot method.
 */
export declare function installAutoHideDevbarScreenshots(page: Page): () => void;
/**
 * Patch all existing pages in a BrowserContext and any future pages emitted by
 * the context. Useful as a Playwright fixture installed once per test.
 */
export declare function installAutoHideDevbarScreenshotsForContext(context: BrowserContext): () => void;
/**
 * Take a screenshot using Playwright.
 *
 * Wrapped with a hard timeout (OPERATION_TIMEOUT_MS) to prevent orphaned
 * processes when the dev server dies mid-operation.
 */
export declare function screenshotViaPlaywright(options: {
    selector?: string;
    output?: string;
    fullPage?: boolean;
    viewport?: import('./viewportUtils.js').ViewportName | string;
    hover?: boolean;
    hideDevbar?: boolean;
    a11y?: boolean;
    url?: string;
    /** Enable progress logging (default: false) */
    verbose?: boolean;
    /** Override the operation timeout in ms (default: OPERATION_TIMEOUT_MS) */
    timeout?: number;
}): Promise<{
    buffer: Buffer;
    width: number;
    height: number;
}>;
export {};
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