/**
 * screenshot-manager.ts
 *
 * Captures full-page PNG screenshots from a live Playwright page and saves
 * them to the artifacts directory.
 *
 * Screenshots are taken at two key moments in the execution pipeline:
 *   - When a step fails, so developers can see the page state at failure time.
 *   - When the heal_test MCP tool is invoked, to provide visual context.
 *
 * Each screenshot is saved with a descriptive name and a millisecond timestamp
 * suffix to avoid collisions when the same step fails multiple times.
 *
 * Role in the overall flow:
 *   FailureHandler / healTest → ScreenshotManager.capture()
 */
import { Page } from 'playwright';
/**
 * Takes full-page screenshots and writes them to the screenshots sub-directory
 * inside the configured artifacts folder.
 */
export declare class ScreenshotManager {
    private screenshotsDir;
    /**
     * @param artifactsDir - Root artifacts directory. Screenshots will be placed
     *                       in a "screenshots" sub-folder within this directory.
     */
    constructor(artifactsDir: string);
    /**
     * Capture a full-page screenshot of the current browser page and save it to disk.
     *
     * @param page - The live Playwright page to capture.
     * @param name - A descriptive label used as the filename prefix
     *               (e.g. "failure-step-3" or "heal-step-2").
     * @returns The absolute file path of the saved PNG file.
     */
    capture(page: Page, name: string): Promise<string>;
}
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