import { z } from 'zod';
/**
 * Common validation schemas for reuse across tools
 */
export declare const urlSchema: z.ZodString;
export declare const dateSchema: z.ZodString;
export declare const timestampSchema: z.ZodString;
/**
 * Validate and parse input with helpful error messages
 */
export declare function validateInput<T>(schema: z.ZodSchema<T>, input: unknown): T;
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