es can be specified by means of passing a <code>LockModeType</code>
 argument to one of the <a href="EntityManager.html" title="interface in javax.persistence"><code>EntityManager</code></a> methods that take locks
 (<code>lock</code>, <code>find</code>, or <code>refresh</code>) or
 to the <a href="Query.html#setLockMode(javax.persistence.LockModeType)"><code>Query.setLockMode()</code></a> or
 <a href="TypedQuery.html#setLockMode(javax.persistence.LockModeType)"><code>TypedQuery.setLockMode()</code></a> met