/**
 * Tool: list_cantons
 * List all Swiss cantons.
 */
import type { FastMCP } from "@prefecthq/fastmcp-ts/server";
import { z } from "zod";
/**
 * Schema for list_cantons parameters. Empty — no inputs.
 */
export declare const listCantonsInputSchema: z.ZodObject<{}, z.core.$strip>;
export type ListCantonsInput = z.infer<typeof listCantonsInputSchema>;
/**
 * Registers the list_cantons tool.
 */
export declare function registerListCantons(server: FastMCP): void;