import type { UmbContext } from './context.interface.js';
import { UmbControllerBase } from './controller-base.class.js';
import type { UmbContextToken } from '../context-api/index.js';
import type { UmbControllerHost } from '../controller-api/index.js';
/**
 * This base provides the necessary for a class to become a context-api controller.
 *
 */
export declare abstract class UmbContextBase extends UmbControllerBase implements UmbContext {
    constructor(host: UmbControllerHost, contextToken: UmbContextToken<any> | string);
}