import { ApplicationRef, ComponentFactoryResolver, ComponentRef, Injector } from '@angular/core';
/**
 *
 * Displays Xmas Loading Spinner
 * @export
 * @class XmasLoadingService
 */
export declare class XmasLoadingService {
    private componentFactoryResolver;
    private appRef;
    private injector;
    protected componentRef: ComponentRef<any>;
    constructor(componentFactoryResolver: ComponentFactoryResolver, appRef: ApplicationRef, injector: Injector);
    protected appendComponentToBody(component: any): void;
    /**
     *
     * Toggles show/hide state of spinner
     */
    toggle(): void;
    /**
     *
     * Shows spinner
     */
    showLoading(): void;
    /**
     *
     * Hides spinner
     */
    hideLoading(): void;
}