import { Observable } from 'rxjs';
import { DocumentData } from '../utils';
declare module '../firesql' {
    interface FireSQL {
        rxQuery(sql: string, options?: QueryOptions): Observable<DocumentData[]>;
        rxQuery<T>(sql: string, options?: QueryOptions): Observable<T[]>;
    }
    /**
     * @deprecated
     */
    interface FirestoreSQL {
        rxQuery(sql: string, options?: QueryOptions): Observable<DocumentData[]>;
        rxQuery<T>(sql: string, options?: QueryOptions): Observable<T[]>;
    }
}