import { EventEmitter, TemplateRef } from '@angular/core';
import { MtnaChip } from '@mtna/lib-ui/chips';
import { Filter, SearchField } from '@mtna/search-manager-ui';
import { MtnaDateFilterUtility } from './date-filter-util';
import { MtnaDateFilter } from './date-filter.model';
import * as i0 from "@angular/core";
declare const _DateFilterMixin: import("@mtna/lib-ui").MtnaAriaHeadingLevelCtor & {
    new (): {};
};
export declare class MtnaDateFilterComponent extends _DateFilterMixin {
    private dateFilterUtil;
    static ngAcceptInputType_activeFilters: string[] | null | undefined;
    static iteration: number;
    /** Currently applied `Filter` values. */
    get activeFilters(): string[];
    set activeFilters(a: string[]);
    private _activeFilters;
    /** The {@link SearchField} this component represents. */
    searchField: SearchField | null | undefined;
    /** Emits a new {@link Filter} when the active filters are changed. */
    filter: EventEmitter<Filter>;
    customHeaderRef?: TemplateRef<unknown>;
    _startDate: string | undefined;
    _endDate: string | undefined;
    /** Internal array of applied MtnaDateFilters */
    _dates: MtnaDateFilter[];
    _iterationId: string;
    _clearAriaLabel: string;
    constructor(dateFilterUtil: MtnaDateFilterUtility);
    /** Resets the form field values */
    cancel(): void;
    /** Removes all date filters & triggers update */
    clearFilters(): void;
    /** Creates a new date filter & triggers update */
    addFilter(): void;
    /** Removes a given date filter & triggers update */
    removeFilter(chip: MtnaChip): void;
    /** Updates the internal _dates array & emits a new Filter */
    _updateDatesAndEmitChange(newDates: MtnaDateFilter[]): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<MtnaDateFilterComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<MtnaDateFilterComponent, "mtna-date-filter", never, { "ariaHeadingLevel": "ariaHeadingLevel"; "activeFilters": "activeFilters"; "searchField": "searchField"; }, { "filter": "filter"; }, ["customHeaderRef"], never>;
}
export {};