export declare class MDUtils {
    static text2link(text: string): string;
    static openLink(url: string, target?: string): void;
    static getTitle(text: string): string;
    static extractHeader(text: string): {
        header: Record<string, string | boolean | number>;
        body: string;
    };
    static removeDocsify(text: string): string;
    static onCopy(e: Event | null, text: string): void;
}