text: /**
   * Returns an array of an object's own property keys that are
   * not prefixed with `_`, indicating pseudo-privacy.
   *
   * @param {Object} instance
   * @return {Array<string>} Public members
   */
  export default function getPublicMemberKeys(instance) {
    return Object.keys(instance).filter(k => k[0] !== '_');
  }
  