import { GeoFirestoreTypes } from 'geofirestore-core';
import { GeoFirestore } from './GeoFirestore';
/**
 * Initializes GeoFirestore instance.
 * @param firestore Firestore represents a Firestore Database and is the entry point for all Firestore operations.
 * @return GeoFirestore instance.
 */
export declare function initializeApp(firestore: GeoFirestoreTypes.web.Firestore | GeoFirestoreTypes.cloud.Firestore): GeoFirestore;
/**
 * Remove customKey attribute so firestore doesn't' reject.
 *
 * @param customKey The key of the document to use as the location. Otherwise we default to `coordinates`.
 * @return The same object but without custom key
 */
export declare function sanitizeSetOptions(options: GeoFirestoreTypes.SetOptions): GeoFirestoreTypes.SetOptions;