import { FirestoreDataConverter, SetOptions, Firestore } from '@angular/fire/firestore';
import { Observable } from 'rxjs';
import { NgxsFirestoreAdapter } from './ngxs-firestore.adapter';
import { QueryFn } from './utils';
import * as i0 from "@angular/core";
interface GetOptions {
    source: 'default' | 'server' | 'cache';
}
export declare function createId(firestore: Firestore): string;
export declare abstract class NgxsFirestore<T> {
    protected adapter: NgxsFirestoreAdapter;
    constructor(adapter: NgxsFirestoreAdapter);
    protected abstract path: string;
    protected idField: string;
    protected metadataField: string | false;
    protected timeoutWriteOperations: number | false;
    protected optimisticUpdates: boolean;
    protected converter: FirestoreDataConverter<T>;
    createId(): string;
    doc$(id: string): Observable<T | undefined>;
    docOnce$(id: string, { source }?: GetOptions): Observable<T | undefined>;
    collection$(queryFn?: QueryFn<T>): Observable<T[]>;
    collectionGroup$(queryFn?: QueryFn<T>): Observable<T[]>;
    collectionOnce$(queryFn?: QueryFn<T>, { source }?: GetOptions): Observable<T[]>;
    update$(id: string, value: Partial<T>, setOptions?: SetOptions): Observable<string>;
    delete$(id: string): Observable<void>;
    create$(value: Partial<T>): Observable<string>;
    upsert$(value: Partial<T>, setOptions?: SetOptions): Observable<string>;
    private getDataWithId;
    private docSet;
    private docRef;
    private collectionRef;
    private isOffline;
    static ɵfac: i0.ɵɵFactoryDeclaration<NgxsFirestore<any>, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<NgxsFirestore<any>>;
}
export {};