import { YupPhoneOptions } from "./YupPhoneOptions";
declare module "yup" {
    interface StringSchema {
        /**
         * Check the string is a valid phone number
         *
         * @param {YupPhoneOptions|undefined} [options=undefined] The options for the validation
         * @param {String} [errorMessage=DEFAULT_MESSAGE] The error message for if the validation fails.
         */
        phone(options?: YupPhoneOptions | undefined, errorMessage?: string): StringSchema;
    }
}