export declare const ToggleItalic: import("@sosuisen/milkdown-core").CmdKey<undefined>;
export declare const em: import("@sosuisen/milkdown-utils/lib/atom/types").Origin<"Em", import("@sosuisen/milkdown-utils/lib/type-utility").UnknownRecord, import("@sosuisen/milkdown-core").Mark>;
//# sourceMappingURL=em.d.ts.map