import { ImportedComponentReady } from '../imported-component-ready.interface';
import { Observable } from 'rxjs';
import { ComponentRef } from '@angular/core';
import { ImportsOrchestratorQueueItem } from '../../service';
export declare function deferUntilComponentReady$<T>(componentRef: ComponentRef<any>, item: ImportsOrchestratorQueueItem): Observable<void>;
export declare function assertImportedComponentReadyEmitter(type: any): type is ImportedComponentReady;