import { IPepQuerySection, IPepQueryItem } from '../model/legacy';
import * as i0 from "@angular/core";
export declare class PepOutputQueryService {
    private _complexIdCounter;
    private _expressionIdCounter;
    constructor();
    /**
     * generates a legacy query structure
     * @param filters UI smart filters structure
     * @returns legacy query
     */
    generateQuery(filters: any): IPepQuerySection | IPepQueryItem;
    /**
     * init params
     */
    private initParams;
    /**
     * a recursive function dynamically builds legacy query structure
     * @param current UI object represents either a section or filter component
     * @returns section query data
     */
    private sectionWalk;
    /**
     * adds a legacy filter object to the current query structure
     * @param section section query data
     * @param item filter item
     * @param operator query operator
     * @returns
     */
    private addToSection;
    /**
     * creates a legacy complex object
     * @param left LeftNode object
     * @param right RightNode object
     * @param operator query operator
     * @returns legacy complex object
     */
    private createSection;
    /**
     * gets legacy filter values object
     * @param current UI filter object's values
     * @returns an array represents legacy values
     */
    private getItemValues;
    static ɵfac: i0.ɵɵFactoryDeclaration<PepOutputQueryService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<PepOutputQueryService>;
}