import { Subscriber, FirestoreMapper } from '../models';
import { FirestoreRef } from '../types';
import { Commit } from 'vuex';
import { SubscribeOptionsParameter } from '../parameters';
/**
 * Class subscribe firestore data to state property
 *
 * @example
 *    class FirestoreMapperModel extends FirestoreMapper {
 *     id: number
 *     name: string
 *     static fromJson(data: { [key: string]: any }) {
 *        return { id: data.id, name: data.name } as FirestoreMapperModel
 *     }
 *   }
 *
 *   FirestoreSubscriber
 *     .from(firebase.firestore().collection('collection'))
 *     .bindTo('statePropName')
 *     .mapOf(FirestoreMapperModel)  // <- options
 *     .subscribe(state, commit, {
 *         errorHandler,
 *         notFoundHandler,
 *         afterMutationCalled
 *     })
 *
 *   FirestoreSubscriber
 *     .from(firebase.firestore().collection('collection'))
 *     .bindTo('statePropName')
 *     .mapOf(FirestoreMapperModel)  // <- options
 *     .subscribeOnce(commit, {
 *         errorHandler,
 *         notFoundHandler,
 *         afterMutationCalled
 *     })
 */
export declare class FirestoreSubscriber implements Subscriber {
    private _ref;
    private _statePropName?;
    private _mapper?;
    /**
     * Make FirestoreSubscriber instance
     * @param ref: firebase.firestore.DocumentReference | firebase.firestore.CollectionReference | firebase.firestore.Query
     * @returns FirestoreSubscriber
     */
    static from(ref: FirestoreRef): FirestoreSubscriber;
    constructor(ref: FirestoreRef);
    get ref(): FirestoreRef;
    get statePropName(): string | undefined;
    /**
     * Set state property bound to firestore data
     * @param statePropName: string
     * @returns FirestoreSubscriber
     */
    bindTo(statePropName: string): this;
    /**
     * Convert new data with the results of calling a provided function(fromJson)
     * @param className extends FirestoreMapper
     * @returns FirestoreSubscriber
     */
    mapOf<T extends FirestoreMapper>(className: T): this;
    /**
     * Subscribe firestore data and bind to state property
     * @param state: any
     * @param commit: Commit
     * @param options: { mapper,
     *         errorHandler,
     *         notFoundHandler,
     *         completionHandler
     *         afterMutationCalled } | undefined
     */
    subscribe<T = any>(state: any, commit: Commit, options?: SubscribeOptionsParameter<T>): void;
    /**
     * Subscribe firestore data and bind to state property at once
     * @param commit: Commit
     * @param options: { mapper,
     *         errorHandler,
     *         notFoundHandler,
     *         completionHandler
     *         afterMutationCalled } | undefined
     */
    subscribeOnce<T = any>(commit: Commit, options?: SubscribeOptionsParameter<T>): Promise<void>;
    isDocumentRef(): boolean;
}