import { EventEmitter } from '@angular/core';
import { HttpClient } from '@angular/common/http';
import { Observable } from 'rxjs';
import { CoreConfigService } from '../config/core-config.service';
export declare class DataDictService {
    private http;
    private configService;
    private data;
    private dataCache;
    private dataPromise;
    private dictTextFormatters;
    dictDataLoaded: EventEmitter<{
        kind: string;
        items: any[];
    }>;
    constructor(http: HttpClient, configService: CoreConfigService);
    private readonly apiUrl;
    private loadDictData;
    private isValueEqual;
    getPresentItems(dictKind: string, cascader?: boolean): any[];
    toCascader(dictItems: any[]): any[];
    private parseCascader;
    putItems(dictKind: string, dictItems: any[], textFormatter?: any): void;
    getItems(dictKind: string, cascader?: boolean): Observable<any[]>;
    getItem(dictKind: string, value: any): Observable<any>;
    getItemText(dictKind: string, value: any, format?: string): Observable<string>;
    parseItemText(dictKind: string, item: any, format?: string): string;
    getDictItemMuiltiLevelPath(kind: any, value: any, returnField?: 'value' | 'text' | string): any[];
    getLastLevelValueInPath(path: any[]): any;
    onDictLoaded(kinds: string[], callback: Function): void;
}