import { AnonymousObject, CollectionFetcherResult, CollectionService, LocalQuery, QuerySearcher, QuerySortComparator } from 'onekijs-framework';
import { Task } from 'redux-saga';
import { TreeController, TreeItem, TreeState } from './typings';
declare class TreeService<T = any, I extends TreeItem<T> = TreeItem<T>, S extends TreeState<T, I> = TreeState<T, I>> extends CollectionService<T, I, S> implements TreeController<T, I> {
    adapt(data: T | null | undefined): I;
    collapse(item: I): void;
    collapsed(item: I): void;
    collapsing(item: I): void;
    expand(item: I): Generator<void | Generator<void | import("redux-saga/effects").CancelEffect | I[] | import("redux-saga/effects").ForkEffect<Generator<import("redux-saga/effects").CallEffect<true> | I[], void, unknown>> | Promise<CollectionFetcherResult<T>>, void, (Task<any> | null) & CollectionFetcherResult<T>>, void, unknown>;
    expanded(item: I): void;
    expanding(item: I): Generator<void | Generator<void | import("redux-saga/effects").CancelEffect | I[] | import("redux-saga/effects").ForkEffect<Generator<import("redux-saga/effects").CallEffect<true> | I[], void, unknown>> | Promise<CollectionFetcherResult<T>>, void, (Task<any> | null) & CollectionFetcherResult<T>>, void, unknown>;
    initDb(dataSource: T[] | string | undefined): void;
    _adapt(data: T | null | undefined, context?: AnonymousObject): I;
    _addFilterExpanded(item: I): void;
    _buildItem(data: T | null | undefined, adaptee: unknown, context?: AnonymousObject): I;
    _clearFilterExpanded(): void;
    _delayChildrenLoading(delay_ms: number, item: I): Generator<import("redux-saga/effects").CallEffect<true> | I[], void, unknown>;
    _execute(items: I[], query: LocalQuery, comparator: QuerySortComparator<T>, comparators: AnonymousObject<QuerySortComparator<T>>, searcher?: QuerySearcher<T>): I[];
    _expand(item: I): void;
    _expanding(item: I): void;
    _fetchChildren(item: I, callbackSuccess?: (item: I) => void, callbackError?: (item: I) => void): Generator<void | import("redux-saga/effects").CancelEffect | I[] | import("redux-saga/effects").ForkEffect<Generator<import("redux-saga/effects").CallEffect<true> | I[], void, unknown>> | Promise<CollectionFetcherResult<T>>, void, (Task<any> | null) & CollectionFetcherResult<T>>;
    _fetchChildrenError(e: any, item: I): void;
    _fetchChildrenSuccess(item: I, result: CollectionFetcherResult<T>): void;
    _removeFilterExpanded(item: I): void;
}
export default TreeService;