import { AfterViewInit, ElementRef, OnChanges, OnInit, SimpleChanges } from '@angular/core';
import { AngularDataContext } from '@themost/angular';
import { CompositeQueryElement, QueryBuilderService, FormComponent, QueryProperty } from './ngx-query-builder.service';
import { EdmEntityType } from '@themost/client';
import { TranslateService } from '@ngx-translate/core';
import { EventEmitter } from '@angular/core';
import { NgForm } from '@angular/forms';
import * as i0 from "@angular/core";
export declare class QueryBuilderComponent implements OnInit, AfterViewInit, OnChanges {
    protected context: AngularDataContext;
    protected translateService: TranslateService;
    protected queryBuilder: QueryBuilderService;
    lastError?: Error;
    builder?: ElementRef;
    query?: CompositeQueryElement;
    persistent?: boolean;
    includeProperties: string[];
    customParams: any;
    saving: boolean;
    elementTemplate?: EdmEntityType;
    entityType?: string;
    currentLang: string;
    loadingComponent: EventEmitter<FormComponent>;
    loadingProperties: EventEmitter<QueryProperty[]>;
    save: EventEmitter<{
        title: string;
        entityType: string;
        query: CompositeQueryElement;
    }>;
    constructor(context: AngularDataContext, translateService: TranslateService, queryBuilder: QueryBuilderService);
    ngOnChanges(changes: SimpleChanges): void;
    ngAfterViewInit(): void;
    ngOnInit(): void;
    addFilter(): void;
    switchGroup(operator: '$and' | '$or'): void;
    get queryParams(): any;
    get queryDescription(): string | undefined;
    getQueryDescription(): string | undefined;
    onSave(formComponent: NgForm): void;
    onCancelSave(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<QueryBuilderComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<QueryBuilderComponent, "universis-query-builder", never, { "query": "query"; "persistent": "persistent"; "includeProperties": "includeProperties"; "customParams": "customParams"; "entityType": "entityType"; "queryParams": "queryParams"; "queryDescription": "queryDescription"; }, { "query": "query"; "loadingComponent": "loadingComponent"; "loadingProperties": "loadingProperties"; "save": "save"; }, never, never, false, never>;
}