export interface ScreenshotFrame {
    blob: Blob;
    width: number;
    height: number;
}
export interface ScreenshotRect {
    x: number;
    y: number;
    width: number;
    height: number;
}
export declare function isArkmeDesktopScreenshotRuntime(): boolean;
export declare function browserScreenshotUnavailable(): string | undefined;
export declare function screenshotErrorMessage(error: unknown): string;
export declare function canvasPng(canvas: HTMLCanvasElement): Promise<Blob>;
export declare function captureBrowserScreenshot(signal: AbortSignal): Promise<ScreenshotFrame>;
/** Normalized selection, clamped to the actual image rather than its letterbox. */
export declare function screenshotSelection(a: {
    x: number;
    y: number;
}, b: {
    x: number;
    y: number;
}): ScreenshotRect;
export declare function screenshotPixelRect(rect: ScreenshotRect, width: number, height: number): ScreenshotRect;
export declare function cropScreenshot(image: HTMLImageElement, frame: ScreenshotFrame, rect: ScreenshotRect): Promise<Blob>;
//# sourceMappingURL=browser-screenshot.d.ts.map