docs(faraday-ui):

packages/component-faraday-ui/src/Tabs.js

+import PropTypes from 'prop-types'
 import { compose, withStateHandlers } from 'recompose'
 
 const Tabs = ({ items, selectedTab, changeTab, children }) =>
   children({ selectedTab, changeTab })
 
+Tabs.proptypes = {
+  /** property that sets any tab as curent selcted tab */
+  selectedTab: PropTypes.func,
+  /** property that changes tab on click */
+  changeTab: PropTypes.func,
+}
+
+Tabs.defaultProp = {
+  selectedTab: undefined,
+  changeTab: undefined,
+}
+
 export default compose(
   withStateHandlers(({ selectedTab = 0 }) => ({ selectedTab }), {
     changeTab: () => selectedTab => ({