message: add prop types to TabNavParent
diff: @@ -11,7 +11,7 @@ import * as History from 'history'
  const ITEM_CLASS = 'TabNav-item'
  const SELECTED_CLASS = 'selected'
  -const TabNavParent = styled.nav`
  +const TabNavParent = styled.nav<SystemCommonProps & SxProp>`
  ${COMMON}
  ${sx}
  `
  @@ -45,6 +45,7 @@ const TabNav = styled(TabNavBase)`
  ${COMMON};
  ${sx};
  `
  +
  type StyledTabNavLinkProps = {to?: History.LocationDescriptor; selected?: boolean} & SystemCommonProps &
  SxProp &
  SystemTypographyProps
  