import { Observable } from 'rxjs';
import * as i0 from "@angular/core";
export interface LoaderBase {
    shown: boolean;
    show(): void;
    hide(): void;
}
export declare class LoaderService {
    constructor();
    private executando;
    private ajaxCount;
    private loader?;
    init(loader: LoaderBase): void;
    incrementaAJAX(executando?: boolean): string;
    decrementaAJAX(token: string): void;
    listen<T>(call: Observable<T> | Promise<T>): Observable<T>;
    private doExecuta;
    static ɵfac: i0.ɵɵFactoryDeclaration<LoaderService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<LoaderService>;
}