/**
 * ScreenCaptureService — macOS 原生截图服务
 *
 * 使用 ScreenCaptureKit (via Swift CLI) 截取窗口/屏幕画面。
 * 息屏可用，无需 OBS。
 *
 * 依赖：resources/native-ui/screenshot.swift 编译产物
 */
/** 截图选项 */
interface ScreenshotOptions {
    windowTitle?: string;
    format?: 'jpeg' | 'png';
    scale?: number;
    outputPath?: string;
}
/** 截图工具返回结果 */
interface ScreenshotToolResult {
    path?: string;
    width?: number;
    height?: number;
    format?: string;
    bytes?: number;
    error?: string;
}
/**
 * 截取屏幕或窗口画面（核心功能 — 息屏可用）
 *
 * @param [opts.windowTitle] 窗口标题关键词（模糊匹配），默认截整屏
 * @param [opts.format] 'jpeg' | 'png'
 * @param [opts.scale] 缩放因子 (0.25-2.0)
 * @param [opts.outputPath] 输出路径，默认临时目录
 * @returns >}
 */
export declare function screenshot(opts?: ScreenshotOptions): Promise<{
    success: boolean;
    path: string | undefined;
    width: number | undefined;
    height: number | undefined;
    format: string | undefined;
    bytes: number | undefined;
    error?: undefined;
} | {
    success: boolean;
    error: string | undefined;
    path?: undefined;
    width?: undefined;
    height?: undefined;
    format?: undefined;
    bytes?: undefined;
}>;
/**
 * 列出所有可截取的窗口
 * @returns >}
 */
export declare function listWindows(): Promise<{
    success: boolean;
    windows: ScreenshotToolResult;
    error?: undefined;
} | {
    success: boolean;
    error: string | undefined;
    windows?: undefined;
}>;
/**
 * 检查截图服务是否可用
 * @returns }
 */
export declare function isScreenCaptureAvailable(): {
    available: boolean;
    error: string | undefined;
};
export {};