/** Apple platform (⌘ = `mod`, ⌃⌥⇧⌘ glyphs). Client-only; `false` without a DOM. */
export declare function isMacPlatform(): boolean;
/**
 * Bind `spec` for `host`; returns the unbind function. An unparseable spec binds nothing.
 * Call from `connectedCallback`/`updated` and unbind on disconnect.
 */
export declare function bindShortcut(host: HTMLElement, spec: string, run: () => void, enabled?: () => boolean): () => void;