import { EventEmitter } from '@angular/core';
import { MatChipInputEvent } from '@angular/material/chips';
import { MtnaAriaHeadingLevelCtor } from '@mtna/lib-ui';
import { MtnaChip } from '@mtna/lib-ui/chips';
import { Filter, SearchField } from '@mtna/search-manager-ui';
import * as i0 from "@angular/core";
declare const _MtnaTextFilterMixin: MtnaAriaHeadingLevelCtor;
export declare class MtnaTextFilterComponent extends _MtnaTextFilterMixin {
    static ngAcceptInputType_activeFilters: string[] | null | undefined;
    static iteration: number;
    /** Required {@link SearchField} that describes the filter. */
    searchField: SearchField | null | undefined;
    /** The current active text filters. Defaults to []. */
    get activeFilters(): string[];
    set activeFilters(filters: Array<string>);
    private _activeFilters;
    /** Make activeFilters[] into MtnaChip[] */
    get chips(): MtnaChip[];
    /** Event emitted after any change to activeFitlers. */
    filter: EventEmitter<Filter>;
    _searchText: string | undefined;
    _iterationId: string;
    _clearAriaLabel: string;
    /** Key Codes on which the filter event will execute. */
    readonly separatorKeysCodes: readonly [13];
    constructor();
    clearActiveFilters(): void;
    handleTextFilterSearch(event: MatChipInputEvent): void;
    handleDeleteFilter(chip: MtnaChip): void;
    /** Emits a Filter after any change to activeFilters. */
    private _emitTextFilterEvent;
    static ɵfac: i0.ɵɵFactoryDeclaration<MtnaTextFilterComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<MtnaTextFilterComponent, "mtna-text-filter", never, { "ariaHeadingLevel": "ariaHeadingLevel"; "searchField": "searchField"; "activeFilters": "activeFilters"; }, { "filter": "filter"; }, never, never>;
}
export {};