import { z } from 'zod';
import type { ZodTypeAny } from 'zod';
export type ValidationErrors = Record<string, string[]>;
/**
 * Parse and validate the request body as JSON.
 *
 * @throws {Response} 422 Unprocessable Entity if validation fails.
 * @throws {Response} 400 Bad Request if body is not valid JSON.
 */
export declare function parseBody<T extends ZodTypeAny>(req: Request, schema: T): Promise<z.infer<T>>;
/**
 * Parse and validate URL query parameters.
 * All query values arrive as strings — use Zod's `.coerce` for numbers/booleans.
 *
 * @throws {Response} 422 Unprocessable Entity if validation fails.
 *
 * @example
 * const ListSchema = z.object({
 *   page: z.coerce.number().int().positive().default(1),
 *   limit: z.coerce.number().int().max(100).default(20),
 * });
 * const query = await parseQuery(req, ListSchema);
 */
export declare function parseQuery<T extends ZodTypeAny>(req: Request, schema: T): Promise<z.infer<T>>;
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