import type { UmbEntryPointModule } from '../models/entry-point.interface.js';
/**
 * Validate if an ESModule has exported a function called `onUnload`
 * @param {unknown} obj The object to check.
 * @returns {boolean} True if the object has an 'onUnload' function.
 */
export declare function hasOnUnloadExport(obj: unknown): obj is Pick<UmbEntryPointModule, 'onUnload'>;