title: EWS. How to get latest SyncState without initial synchronization?
body: <p>Consider that I have 100,000 messages in a folder. I want to be able to synchronize with latest changes, but I don't need any old messages. Asking for initial synchronization with </p>
  
  <pre><code>SyncFolderItems(..., null /*syncState*/)? 
  </code></pre>
  
  <p>would bring back all 100,000 messages (that I don't need). How can I jump directly to the latest SyncState without reading 100,000 entities from server?</p>