title: What does QueryDSL's PathBuilder's validate() do?
body: <p>QueryDSL documentation is unfortunately quite lacking. For many of the methods I've had to either dig deep into grepcode or to track down any source code online that uses the methods of interest to try to figure out how they're using it.</p>
  
  <p>So what does QueryDSL's PathBuilder's validate() do?</p>