import { OnChanges, OnInit, SimpleChanges } from '@angular/core';
import { FormControl } from '@angular/forms';
import { Observable } from 'rxjs';
import { Filter, OptionSelect } from '../../interface';
import * as i0 from "@angular/core";
export declare class KitToolbarFilterSelectStateComponent implements OnInit, OnChanges {
    filterForm: FormControl;
    filteredOptions$: Observable<OptionSelect[]> | undefined;
    private _filter;
    options: OptionSelect[];
    set filter(filter: Filter);
    constructor();
    get filter(): Filter;
    onChange(event: any): void;
    setFilterObservable(): void;
    ngOnInit(): void;
    isControlRequired(): boolean;
    defaultCompareWithFn: (o1: any, o2: any) => boolean;
    compareWithFn(o1: any, o2: any): boolean;
    ngOnChanges(changes: SimpleChanges): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<KitToolbarFilterSelectStateComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<KitToolbarFilterSelectStateComponent, "kit-toolbar-filter-select-state", never, { "filterForm": { "alias": "filterForm"; "required": false; }; "filter": { "alias": "filter"; "required": false; }; }, {}, never, never, false, never>;
}