function install(Vue$$1) {
  var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
  Vue$$1.component(options.portalName || 'Portal', Portal);
  Vue$$1.component(options.portalTargetName || 'PortalTarget', PortalTarget);
  Vue$$1.component(options.MountingPortalName || 'MountingPortal', MountingPortal);
}
TODO
This should warn as well ...