import { ApplicationRef, ComponentFactoryResolver, Injector } from '@angular/core';
import * as i0 from "@angular/core";
export declare class GlobalLoadingService {
    private componentFactoryResolver;
    private appRef;
    private injector;
    private _componentRef?;
    constructor(componentFactoryResolver: ComponentFactoryResolver, appRef: ApplicationRef, injector: Injector);
    /**
     * Exibe o loading na tela.
     * @param blockUnload Indica se deve bloquear o unload do navegador enquanto o loading estiver sendo exibido. Recomenda-se usar true em casos de ações de Salvar/Atualizar.
     */
    show(blockUnload?: boolean): void;
    hide(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<GlobalLoadingService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<GlobalLoadingService>;
}