import { Firestore } from "@google-cloud/firestore";
import type { Collection } from "../../db/collection/Collection.js";
import { DBProvider } from "../../db/provider/DBProvider.js";
import type { Data } from "../../util/data.js";
import type { Item, Items, ItemsSequence, OptionalItem, OptionalItemSequence } from "../../util/item.js";
import { type Query } from "../../util/query.js";
import type { Updates } from "../../util/update.js";
/**
 * Firestore server database provider.
 * - Works with the Firebase Admin SDK for Node.JS
 */
export declare class FirestoreServerProvider<I extends string = string, T extends Data = Data> extends DBProvider<I, T> {
    private readonly _firestore;
    constructor(firestore?: Firestore);
    /** Create a corresponding `FirestoreCollection` reference from a collection. */
    private _getCollection;
    /** Create a corresponding `FirestoreQuery` reference from a collection and query. */
    private _getQuery;
    /** Perform a bulk update on a set of documents using a `BulkWriter` */
    private _bulkWrite;
    getItem<II extends I, TT extends T>(collection: Collection<string, II, TT>, id: II): Promise<OptionalItem<II, TT>>;
    getItemSequence<II extends I, TT extends T>(c: Collection<string, II, TT>, id: II): OptionalItemSequence<II, TT>;
    addItem<II extends I, TT extends T>(c: Collection<string, II, TT>, data: TT): Promise<II>;
    setItem<II extends I, TT extends T>(c: Collection<string, II, TT>, id: II, data: TT): Promise<void>;
    updateItem<II extends I, TT extends T>(c: Collection<string, II, TT>, id: II, updates: Updates<Item<II, TT>>): Promise<void>;
    deleteItem<II extends I, TT extends T>(c: Collection<string, II, TT>, id: II): Promise<void>;
    countQuery<II extends I, TT extends T>(c: Collection<string, II, TT>, q?: Query<Item<II, TT>>): Promise<number>;
    getQuery<II extends I, TT extends T>(c: Collection<string, II, TT>, q?: Query<Item<II, TT>>): Promise<Items<II, TT>>;
    getQuerySequence<II extends I, TT extends T>(c: Collection<string, II, TT>, q?: Query<Item<II, TT>>): ItemsSequence<II, TT>;
    setQuery<II extends I, TT extends T>(c: Collection<string, II, TT>, q: Query<Item<II, TT>>, data: TT): Promise<void>;
    updateQuery<II extends I, TT extends T>(c: Collection<string, II, TT>, q: Query<Item<II, TT>>, updates: Updates<TT>): Promise<void>;
    deleteQuery<II extends I, TT extends T>(c: Collection<string, II, TT>, q: Query<Item<II, TT>>): Promise<void>;
}