import { SnapshotManager } from './SnapshotManager';
import { CollectionReference, DocumentReference, Query, DocumentSnapshot } from '../types/index';
export declare const getCachedDoc: <T = any>(docRef: DocumentReference<T>) => DocumentSnapshot<T>;
export declare const getDoc: <T = any>(docRef: DocumentReference<T>) => Promise<DocumentSnapshot<T>>;
export declare const onSnapshot: (ref: CollectionReference | DocumentReference | Query, callback: (snapshot: any) => void) => (() => void);
export { SnapshotManager };