import { HttpClient } from '@angular/common/http';
import { Observable } from 'rxjs';
import { TypeQueryFilter } from '../enums/export';
import * as i0 from "@angular/core";
/**
 * Table services
 */
export declare class TableService {
    private http;
    /**
     * environment inject
     */
    environment: any;
    /**
     * constructor
     * @param http Performs HTTP requests
     * @param environment environment
     */
    constructor(http: HttpClient, environment: any);
    /**
     * format date
     * @param date date to convert
     * @param format convert format to date
     * @return date string
     */
    formatDate: (date: any, format: any) => string;
    /**
     * get request
     * @param url url to get data
     * @return observable
     */
    get(url: any): Observable<any>;
    /**
     * Generate filters
     * @param columns array of columns
     * @param filter actual filter
     * @param encode encode flag
     * @return string filter
     */
    generateFilter(columns: any, filter: any, encode?: boolean, typeQueryFilter?: TypeQueryFilter): string;
    /**
     * generate default filter
     * @param filter filter
     * @param encode encode flag
     * @return string
     */
    generateDefaultFilters(filter: any, encode?: boolean, typeQueryFilter?: TypeQueryFilter): string;
    /**
     * export request
     * @param url url to get data
     * @return observable
     */
    export(url: any): Observable<any>;
    /**
     * Transform operator according to @param typeQueryFilter
     * @param operator operator
     * @param typeQueryFilter rsql or spring-search
     * @returns operator
     */
    operatorTransform(operator: string, typeQueryFilter?: TypeQueryFilter): string;
    static ɵfac: i0.ɵɵFactoryDeclaration<TableService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<TableService>;
}