import { NexaApp } from '../app/NexaApp';
export declare class Firestore {
    private app;
    constructor(app: NexaApp);
    getApp(): NexaApp;
}
export declare const enableIndexedDbPersistence: (db: NexaApp) => Promise<void>;
export declare const enableOfflinePersistence: (db: NexaApp) => Promise<void>;