lock">Invoked by the Jakarta EE Product Provider to remove the thread context that
 the <a href="ThreadContextSnapshot.html" title="interface in jakarta.enterprise.concurrent.spi"><code>ThreadContextSnapshot</code></a> began on this thread and restore the previous
 context that was on the thread prior to that point. The Jakarta EE Product Provider
 must invoke the <a href="#endContext()"><code>endContext</code></a> method exactly
 once for each <code>ThreadContextRestorer</code> instance that it obtains
 an