import { ComponentFactoryResolver, ViewContainerRef, Injector, SimpleChanges, OnChanges } from '@angular/core';
import { NgxSpinnerService } from 'ngx-spinner';
export declare class BusyIfDirective implements OnChanges {
    private _viewContainer;
    private _componentFactoryResolver;
    private _injector;
    constructor(_viewContainer: ViewContainerRef, _componentFactoryResolver: ComponentFactoryResolver, _injector: Injector);
    private static index;
    busyIf: boolean;
    ngxSpinnerService: NgxSpinnerService;
    private spinnerName;
    isBusy: boolean;
    refreshState(): void;
    loadComponent(): void;
    ngOnChanges(changes: SimpleChanges): void;
}