import { z } from 'zod';
/**
 * Type guard to check if a value is a Zod schema
 */
export declare function isZodSchema(schema: unknown): schema is z.ZodType;
/**
 * Type guard to check if a value is a JSON schema
 */
export declare function isJsonSchema(schema: unknown): schema is Record<string, unknown>;
/**
 * Validate a value against a schema (Zod or JSON)
 */
export declare function validateAgainstSchema(value: unknown, schema: unknown): {
    valid: boolean;
    errors: string[];
};
/**
 * Convert a subset of Zod schemas to JSON Schema (sufficient for common cases)
 */
export declare function zodToJsonSchema(schema: z.ZodTypeAny): Record<string, unknown>;