import { DataProvider, FetchByKeysParameters, ContainsKeysResults, FetchByKeysResults, FetchByOffsetParameters, FetchByOffsetResults, FetchListParameters, FetchListResult } from '../ojdataprovider';
interface TreeDataProvider<K, D> extends DataProvider<K, D> {
    addEventListener(eventType: string, listener: EventListener): void;
    containsKeys(parameters: FetchByKeysParameters<K>): Promise<ContainsKeysResults<K>>;
    createOptimizedKeyMap?(initialMap?: Map<K, D>): Map<K, D>;
    createOptimizedKeySet?(initialSet?: Set<K>): Set<K>;
    dispatchEvent(evt: Event): boolean;
    fetchByKeys(parameters: FetchByKeysParameters<K>): Promise<FetchByKeysResults<K, D>>;
    fetchByOffset(parameters: FetchByOffsetParameters<D>): Promise<FetchByOffsetResults<K, D>>;
    fetchFirst(parameters?: FetchListParameters<D>): AsyncIterable<FetchListResult<K, D>>;
    getCapability(capabilityName: string): any;
    getChildDataProvider(parentKey: K): TreeDataProvider<K, D> | null;
    getTotalSize(): Promise<number>;
    isEmpty(): 'yes' | 'no' | 'unknown';
    removeEventListener(eventType: string, listener: EventListener): void;
}
export = TreeDataProvider;