/**
  * Enables/disables 'lock-title' If a flag is set, it means a title is locked and synchronizer is
  * not allowed to update it, although all the rest of information is allowed to be updated.
  *
  * @param lockTitle <code>true</code> to enable 'lock-title'
  */
 public void setLockTitle(boolean lockTitle) {
   ProtocolInvoker.setLockTitle(_harvestRepository.getProtocol(), lockTitle);
 }