import { SchemaConstructor } from './types';
import { ZodSchema } from 'zod';
/**
 * Checks if a class has an associated Zod schema.
 *
 * This function determines whether the specified class constructor
 * has been decorated with a Zod schema, by checking for the presence
 * of metadata associated with the schema.
 *
 * @internal
 * @param target - The class constructor to check for schema metadata.
 * @returns A boolean indicating if the Zod schema metadata is present.
 */
export declare function hasSchemaDef(target: SchemaConstructor): boolean;
/**
 * Retrieves the Zod schema associated with the specified class constructor.
 *
 * @internal
 * @param target - The class constructor to retrieve the schema for.
 * @returns The Zod schema associated with the class constructor
 * @throws Error if no schema is present.
 */
export declare function getSchemaDef(target: SchemaConstructor): ZodSchema;