/**
 * type builder interface
 *
 * @interface
 */
class BaseType {
  constructor () {
    this._type = 'base'
    this._required = false
  }

  required () {
    this._required = true
    return this
  }

  /**
   * validate data
   * @param {any} value
   * @return {string?}
   */
  validate (value) {
    throw new Error('not impl')
  }
}

module.exports = BaseType