import type { UmbApi } from '../models/api.interface.js';
import type { ApiLoaderProperty, ClassConstructor, ElementAndApiLoaderProperty } from '../types/utils.js';
/**
 * Loads the API class constructor from a manifest's `api`/`js` property.
 * @template {UmbApi} ApiType
 * @param {ApiLoaderProperty<ApiType> | ElementAndApiLoaderProperty<any, ApiType>} property The manifest property to load the API from.
 * @returns {Promise<ClassConstructor<ApiType> | undefined>} The resolved API class constructor, if found.
 */
export declare function loadManifestApi<ApiType extends UmbApi>(property: ApiLoaderProperty<ApiType> | ElementAndApiLoaderProperty<any, ApiType>): Promise<ClassConstructor<ApiType> | undefined>;