/**
 * 注入script
 * @param path
 * @param content
 * @returns
 */
export declare function injectScript(path: string, content?: string): HTMLScriptElement | undefined;
/**
 * 注入css
 * @param path
 * @param style
 * @returns
 */
export declare function injectCss(path: string, style?: string): HTMLStyleElement | undefined;
export declare function injectedScript(path: string): HTMLScriptElement | undefined;
declare const _default: {
    injectCss: typeof injectCss;
    injectScript: typeof injectScript;
    injectedScript: typeof injectedScript;
};
export default _default;