package com.liferay.portal.model;
import com.liferay.portal.kernel.log.Log;
import com.liferay.portal.kernel.log.LogFactoryUtil;
import com.liferay.portal.service.LayoutLocalServiceUtil;
import com.liferay.portal.service.persistence.LayoutRevisionUtil;
<BUG>import com.liferay.portal.service.persistence.LayoutUtil;
import com.liferay.portal.servlet.filters.cache.CacheUtil;</BUG>
import com.liferay.portal.util.PortletKeys;
import java.util.Date;
public class PortletPreferencesListener

package com.liferay.portal.model;
import com.liferay.portal.kernel.dao.orm.FinderCacheUtil;
import com.liferay.portal.kernel.log.Log;
import com.liferay.portal.kernel.log.LogFactoryUtil;
import com.liferay.portal.service.LayoutLocalServiceUtil;
import com.liferay.portal.service.persistence.LayoutRevisionUtil;
import com.liferay.portal.service.persistence.LayoutUtil;
import com.liferay.portal.service.persistence.PortletPreferencesFinderImpl;
import com.liferay.portal.servlet.filters.cache.CacheUtil;
import com.liferay.portal.util.PortletKeys;
import java.util.Date;
public class PortletPreferencesListener
