/**
 * Tool: browse_npk_tree
 * Browse NPK (Normpositionen-Katalog) code hierarchy.
 */
import type { FastMCP } from "@prefecthq/fastmcp-ts/server";
import { z } from "zod";
/**
 * Schema for browse_npk_tree parameters.
 */
export declare const browseNpkTreeInputSchema: z.ZodObject<{
    parentCode: z.ZodOptional<z.ZodString>;
    lang: z.ZodDefault<z.ZodEnum<{
        de: "de";
        fr: "fr";
        it: "it";
        en: "en";
    }>>;
}, z.core.$strip>;
export type BrowseNpkTreeInput = z.infer<typeof browseNpkTreeInputSchema>;
/**
 * Registers the browse_npk_tree tool.
 */
export declare function registerBrowseNpkTree(server: FastMCP): void;