import java.util.Map.Entry;
import java.util.Set;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.apache.ambari.server.AmbariException;
<BUG>import org.apache.ambari.server.api.services.AmbariMetaInfo;
import org.apache.commons.collections.CollectionUtils;</BUG>
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.google.inject.Inject;

import java.util.Map.Entry;
import java.util.Set;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.apache.ambari.server.AmbariException;
import org.apache.ambari.server.api.services.AmbariMetaInfo;
import org.apache.ambari.server.orm.dao.RepositoryVersionDAO;
import org.apache.commons.collections.CollectionUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.google.inject.Inject;
