import type { CrossOrigin, HTMLCrossOriginAttribute } from '../../module.js';
export declare function isSupportedBrowser(browserSupport: {
    regex: string;
}): boolean;
export declare function isFirefox(): boolean;
export declare const isTouchSupported: () => boolean;
export declare const getCrossorigin: (crossorigin?: CrossOrigin, defaultCrossOrigin?: CrossOrigin) => HTMLCrossOriginAttribute;