title: How do disable date interval in fullcalendar?
body: <p>I have a problem that in documentation for <code>FullCalendar</code> there is nothing about disabling interval dates. I have got a json object with interval dates which have to be disabled</p>
  
  <p><a href="https://i.stack.imgur.com/9Vjml.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/9Vjml.png" alt="enter image description here"></a></p>
  
  <p>So, how can I disable this dates?
  Thank you for attention!</p>