import { BehaviorSubject } from 'rxjs';
export declare abstract class AbstractDataEntityService<TEntity> {
    all$$: BehaviorSubject<TEntity[]>;
    all$: import("rxjs").Observable<TEntity[]>;
    loading$$: BehaviorSubject<boolean>;
    loading$: import("rxjs").Observable<boolean>;
    notLoading$: import("rxjs").Observable<boolean>;
    protected abstract loadAllData(): Promise<TEntity[]>;
    loadAll(): Promise<void>;
}