title: Object literal may only specify known properties, and 'buttons' does not exist in type 'Settings
body: <p>I am using Angular 8 and following example from <a href="https://l-lin.github.io/angular-datatables/#/extensions/buttons" rel="nofollow noreferrer">here</a>
  but </p>
  
  <p><a href="https://i.stack.imgur.com/fUgbO.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/fUgbO.png" alt="enter image description here"></a></p>
  
  <p>and the exception is </p>
  
  <p><a href="https://i.stack.imgur.com/Lea48.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/Lea48.png" alt="enter image description here"></a></p>
  
  <p>Please help me solve this.</p>