import { z } from 'zod';
/**
 * Build a union schema from multiple category schemas
 * This is the same logic used in runQuery to create a unified schema
 */
export declare function buildUnionSchema(categories: string[]): z.ZodObject<any>;
/**
 * Build the standard response schema with union items
 */
export declare function buildResponseSchema(categories: string[]): z.ZodObject<any>;