/****
 * Client Hints utilities
 *
 * Handles extraction of client hints from request headers.
 * @see https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Sec-CH-Prefers-Color-Scheme
 */
export type ColorScheme = "light" | "dark";
export interface ColorSchemeResult {
    scheme: ColorScheme;
    fromParam: boolean;
    fromHeader: boolean;
}
export declare function getColorSchemeFromRequest(request: Request, url?: URL): ColorSchemeResult;
//# sourceMappingURL=client-hints.d.ts.map