export declare const UmbLink: import("@tiptap/core").Mark; declare module '@tiptap/core' { interface Commands { umbLink: { ensureUmbLink: (attributes: { type: string; href: string; 'data-anchor'?: string | null; target?: string | null; title?: string | null; }) => ReturnType; setUmbLink: (attributes: { type: string; href: string; 'data-anchor'?: string | null; target?: string | null; title?: string | null; }) => ReturnType; unsetUmbLink: () => ReturnType; }; } }