package com.liferay.portal.service.impl;
import com.liferay.portal.DuplicateLockException;
import com.liferay.portal.ExpiredLockException;
<BUG>import com.liferay.portal.NoSuchLockException;
import com.liferay.portal.kernel.exception.PortalException;</BUG>
import com.liferay.portal.kernel.exception.SystemException;
<BUG>import com.liferay.portal.kernel.transaction.Isolation;
</BUG>
import com.liferay.portal.kernel.transaction.Transactional;

package com.liferay.portal.service.impl;
import com.liferay.portal.DuplicateLockException;
import com.liferay.portal.ExpiredLockException;
import com.liferay.portal.NoSuchLockException;
import com.liferay.portal.kernel.dao.orm.LockMode;
import com.liferay.portal.kernel.exception.PortalException;
import com.liferay.portal.kernel.exception.SystemException;
import com.liferay.portal.kernel.transaction.Propagation;
import com.liferay.portal.kernel.transaction.Transactional;
