/* Copyright IBM Corp. 2018 */
import { Type } from '@angular/core';
import { Observable } from 'rxjs';
import { LayoutComponentDirective } from './../decorators/layout/layout.directive';
/**
 * Adds one of our own annotations to the host and returns the set of
 * annotations.
 *
 * @param aAnnotation the annotation to add
 * @param aHost the host to add the annotations to
 *
 * @return the list of annotations
 */
declare function _addAnnotation(aAnnotation: any, aHost: any): any[];
export interface RegisteredComponent {
    directive: LayoutComponentDirective;
    type: Type<any>;
}
declare function _getRegisteredComponents(): Observable<RegisteredComponent>;
declare function _registerComponent(aDirective: LayoutComponentDirective, aType: Type<any>): void;
declare function _destroy(): void;
declare function _getSelector(aSelector: string | Type<any> | null | undefined): string | undefined;
declare function _getSelectors(aSelector: string | string[] | Type<any> | null | undefined): string[];
export { _getRegisteredComponents as cmpGetRegisteredComponents, _registerComponent as cmpRegisterComponent, _destroy as cmpDestroy, _addAnnotation as cmpAddAnnotation, _getSelectors as cmpGetSelectors, _getSelector as cmpGetSelector };