How to flow type this:

function PrivateRoute({
    component: Component,
    isAuthed,
    ...rest
}) {
    return (
     <Route
         {...rest}
         render={props =>
         isAuthed === true ? (
             <Component {...props} />
             ) : (
             <Redirect
                 to={{ pathname: "/login", state: { from: props.location } }}
             />
          )}
      />
   );
}

Some context:

1. twitter.com/gdad_s_river/status/915964162978848768
2. flow.org/en/docs/react/hoc