/**
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
 */
import { ChangeDetectorRef, OnDestroy, PipeTransform } from '@angular/core';
import { CodeAndName } from 'ng-stalk/core/types';
import { NsConfigKey } from "ng-stalk/core/config";
import * as i0 from "@angular/core";
export declare class NsCodeNamePipe implements PipeTransform, OnDestroy {
    private _ref;
    readonly _nsModuleName: NsConfigKey;
    value: string;
    lastKey?: string | null;
    lastParams?: string;
    data: {
        [key: string]: CodeAndName[];
    };
    constructor(_ref: ChangeDetectorRef);
    private getResult;
    updateValue(key: string, group: string): void;
    transform(query: string | undefined | null, group: string): string | null;
    /**
     * Clean any existing subscription to change events
     */
    private _dispose;
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<NsCodeNamePipe, never>;
    static ɵpipe: i0.ɵɵPipeDeclaration<NsCodeNamePipe, "nsCodeName", false>;
    static ɵprov: i0.ɵɵInjectableDeclaration<NsCodeNamePipe>;
}