import { BehaviorSubject } from 'rxjs';
export declare class ComponenRegistryService {
    private _registry;
    onRegistryChanged: BehaviorSubject<any>;
    constructor();
    register(key: any, component: any): void;
    unregister(key: any): void;
    /**
     * Return the component with the given key
     */
    getComponent(key: any): any;
}