import { ComponentRef, ElementRef, Injector, NgModuleRef, ViewContainerRef } from '@angular/core';
import { Observable } from 'rxjs';
import { Applicable, CmsComponentMapping, Priority } from '@spartacus/core';
/**
 * ComponentHandler implementations can be used for instantiating and launching
 * different types of CMS mapped components
 */
export declare abstract class ComponentHandler implements Applicable {
    /**
     * Returns component resource - an observable stream used to launch and dispose
     * component.
     *
     * Instantiate and launch component by subscribing to launcher.
     * Successful component launch will be followed by emission of ElementRef
     * (and in case of native Angular component, also ComponentRef).
     * Unsubscribing from the launcher will remove and tear down the component.
     *
     * @param componentMapping
     * @param viewContainerRef
     * @param elementInjector
     * @param module
     */
    abstract launcher(componentMapping: CmsComponentMapping, viewContainerRef: ViewContainerRef, elementInjector?: Injector, module?: NgModuleRef<any>): Observable<{
        elementRef: ElementRef;
        componentRef?: ComponentRef<any>;
    }>;
    abstract hasMatch(componentMapping: CmsComponentMapping): boolean;
    abstract getPriority?(): Priority;
}