import type { ScreenshotResult } from "../types.js";
export interface ScreenshotInput {
    readonly url: string;
    readonly width?: number;
    readonly height?: number;
    readonly fullPage?: boolean;
    readonly delay?: number;
    readonly deviceScaleFactor?: number;
}
/**
 * Capture a screenshot of a webpage.
 * Returns base64-encoded PNG that Claude can view directly.
 */
export declare function captureScreenshot(input: ScreenshotInput): Promise<ScreenshotResult>;
/**
 * Capture multiple viewport sizes for responsive review.
 */
export declare function captureResponsiveScreenshots(url: string): Promise<readonly ScreenshotResult[]>;
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