title: How do i implement nested NSSplitView like below?
body: <p>I am trying to implement this with autolayout</p>
  
  <p><a href="https://i.stack.imgur.com/6ndai.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/6ndai.png" alt="enter image description here"></a></p>
  
  <p>after running my application, second splitview is showing like this :(</p>
  
  <p><a href="https://i.stack.imgur.com/C70TZ.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/C70TZ.png" alt="enter image description here"></a></p>
  
  <p>Can anyone please guide me to solve this</p>