import { ValidationError } from 'class-validator';
/**
 * Validates a client data object.
 *
 * @param {Record<string, unknown>} plainObject - The plain object to validate.
 * @returns {Promise<ValidationError[]>} - A promise that resolves with an array of validation errors.
 */
export declare const validateClientDataDto: (plainObject: Record<string, unknown>) => Promise<ValidationError[]>;