import { Type } from '@angular/core';
import * as i0 from "@angular/core";
export type PreloadPages = 'assets' | 'contacts' | 'members' | 'real-estates' | 'budget';
export declare class NgModulePreloaderService {
    private readonly preloaded;
    private readonly configs;
    private warned;
    addPreloadConfigs(...configs: {
        id: string;
        path: string;
        type: Type<unknown>;
        module?: string;
    }[]): void;
    markAsPreloaded(path: string): void;
    preload(paths: string[], ms?: number): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<NgModulePreloaderService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<NgModulePreloaderService>;
}