import { LegendMenuController } from './contexts';
/**
 * Run an async menu action with busy gating. Uses `isBusy()` (ref-backed) so a
 * second click before React re-renders cannot fire the handler twice. Keeps
 * the menu open while pending, then clears busy and closes when it settles.
 */
export declare function runAsyncMenuAction(menu: LegendMenuController, action: () => void | Promise<void>): Promise<void>;