import { OnInit, OnDestroy } from '@angular/core';
import { LoadingIndicatorService } from '../services/loading-indicator.service';
import { ModalWindowComponent } from '@browninglogic/ng-modal';
/** This component listens for load start and load end events and
 * shows / hides a loading indicator accordingly.  It's intended
 * to be placed in the template of the application's root component
 * so that one instance of the component can be used throughout the
 * entire application. */
export declare class LoadingIndicatorComponent implements OnInit, OnDestroy {
    private loadingIndicatorService;
    constructor(loadingIndicatorService: LoadingIndicatorService);
    /** Custom CSS class(es) to apply to the modal*/
    modalClass: string;
    /** Custom CSS class(es) to apply to the overlay*/
    overlayClass: string;
    /** Custom CSS class(es) to apply to the loading message*/
    loadingMessageClass: string;
    /** Custom CSS class(es) to apply to the spinner*/
    spinnerClass: string;
    loadingIndicatorModal: ModalWindowComponent;
    private _loadingMessage;
    private subLoadStarted;
    private subLoadEnded;
    /** Loading message to bind to the loading modal window */
    get loadingMessage(): string;
    ngOnInit(): void;
    ngOnDestroy(): void;
    /** Show the loading indicator and set the provided loading message for template binding */
    private onLoadStarted;
    /** Hide the loading indicator and clear the loading message */
    private onLoadEnded;
}