title: typescript definitions for openLayers
body: <p>Here's a function I need to use in typescript code:</p>
  
  <pre><code>ol.inherits(child, parent);
  </code></pre>
  
  <p>How to add a definition for that function in OpenLayers.d.ts file?</p>
  
  <p><a href="https://github.com/borisyankov/DefinitelyTyped/blob/master/openlayers/openlayers.d.ts" rel="nofollow">https://github.com/borisyankov/DefinitelyTyped/blob/master/openlayers/openlayers.d.ts</a></p>
  
  <p>Thank you in advance for any help!</p>