import org.apache.cocoon.environment.Session;
import org.apache.cocoon.environment.SourceResolver;
import org.apache.cocoon.environment.http.HttpEnvironment;
import org.apache.cocoon.generation.ServiceableGenerator;
import org.apache.cocoon.xml.IncludeXMLConsumer;
<BUG>import org.apache.excalibur.source.Source;
import org.exist.source.CocoonSource;</BUG>
import org.exist.storage.serializers.EXistOutputKeys;
import org.exist.storage.serializers.Serializer;
import org.exist.xmldb.CollectionImpl;

import org.apache.cocoon.environment.Session;
import org.apache.cocoon.environment.SourceResolver;
import org.apache.cocoon.environment.http.HttpEnvironment;
import org.apache.cocoon.generation.ServiceableGenerator;
import org.apache.cocoon.xml.IncludeXMLConsumer;
import org.apache.excalibur.source.Source;
import org.apache.excalibur.source.SourceValidity;
import org.apache.excalibur.source.impl.validity.AggregatedValidity;
import org.apache.excalibur.source.impl.validity.ExpiresValidity;
import org.exist.source.CocoonSource;
import org.exist.storage.serializers.EXistOutputKeys;
import org.exist.storage.serializers.Serializer;
import org.exist.xmldb.CollectionImpl;
