/**
 * Daemon Browser Management
 *
 * Manages a persistent Playwright browser and page instance within the daemon process.
 * Unlike the existing playwright.ts which opens and closes browsers per-operation,
 * this keeps a single browser alive for the daemon's lifetime.
 */
type Browser = import('playwright').Browser;
type Page = import('playwright').Page;
/** Configure headed mode before first initBrowser() call */
export declare function setHeadedMode(headed: boolean): void;
/**
 * Initialize the persistent browser and navigate to the target URL.
 * Called once when the daemon starts or on first command.
 */
export declare function initBrowser(url: string): Promise<void>;
/**
 * Get the persistent page instance. Throws if browser not initialized.
 */
export declare function getPage(): Page;
/**
 * Get the browser instance (needed for creating recording contexts).
 */
export declare function getBrowserInstance(): Browser;
/**
 * Navigate to a URL if it differs from the current one.
 */
export declare function navigateTo(url: string): Promise<void>;
/**
 * Take a screenshot of the current page or a specific element.
 * If `page` is provided, screenshots that page instead of the daemon's
 * main page (e.g. the recording page during a session).
 */
export declare function takeScreenshot(opts: {
    selector?: string;
    fullPage?: boolean;
    viewport?: string;
    page?: Page;
    /** Pixels of extra context to include around the selector's bounding box. */
    padding?: number;
    /** Force the page's color scheme: 'light' | 'dark' | 'no-preference' */
    theme?: 'light' | 'dark' | 'no-preference';
    /** Temporarily hide DevBar chrome from the captured image. */
    hideDevbar?: boolean;
}): Promise<{
    buffer: Buffer;
    width: number;
    height: number;
    /** Number of elements matching `selector` (informational; only the first is captured). */
    matchCount?: number;
    /** Document scrollHeight if it exceeds the viewport (lets callers hint at --full-page). */
    pageHeight?: number;
    viewportHeight?: number;
}>;
/**
 * Take responsive screenshots at multiple viewport widths.
 */
export declare function takeResponsiveScreenshots(opts: {
    viewports: number[];
    fullPage?: boolean;
    hideDevbar?: boolean;
}): Promise<Array<{
    width: number;
    height: number;
    buffer: Buffer;
    label: string;
}>>;
/**
 * Close the browser and clean up resources.
 */
export declare function closeBrowser(): Promise<void>;
export {};
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