import { Query } from 'blow-query';
import { Collection } from 'blow-collection';
import { Observable } from 'rxjs';
import { ConnectorSettings } from 'blow-service';
import { DataConnector } from './DataConnector';
import { Entity } from '../Entity';
export declare class MemoryConnector extends DataConnector {
    protected _db: Map<string, Collection<any>>;
    constructor(settings: ConnectorSettings);
    protected _collection<T>(collectionName: string): Collection<T>;
    find<T>(collectionName: string, query?: Query): Observable<T>;
    count(collectionName: string, query?: Query): Observable<number>;
    delete(collectionName: string, query?: Query): Observable<number>;
    deleteById(collectionName: string, id: string): Observable<boolean>;
    get<T>(collectionName: string, id: string): Observable<T>;
    save<T>(collectionName: string, doc: Entity): Observable<T>;
    updateAttributes<T>(collectionName: string, id: string, attributes: Entity): Observable<T>;
}