import Entity from './Entity';
import { IDocumentSnapshot, ICollection } from './types/collection.types';
import { IDocumentRef } from './types';
import { firestore } from 'firebase-admin';
export default class DocumentSnapshot<T extends Entity> implements IDocumentSnapshot<T> {
    /**
     * @hidden
     */
    private _nativeSnapshot;
    /**
     * @hidden
     */
    private _doc;
    /**
     * Creates a document snapshot.
     * @param nativeSnapshot The firestore DocumentSnapshot.
     * @param Entity The entity to represent.
     * @param collection The parent collection for the entity.
     */
    constructor(nativeSnapshot: firestore.DocumentSnapshot, Entity: new () => T, collection: ICollection<T>);
    /**
     * The document in the snapshot.
     */
    get doc(): T;
    /**
     * Whether or not the document exists.
     */
    get exists(): boolean;
    /**
     * The document reference.
     */
    get ref(): IDocumentRef<T>;
}