import java.util.Stack;
-import net.sourceforge.phpdt.internal.compiler.env.ICompilationUnit;
import net.sourceforge.phpdt.core.compiler.IProblem;
import net.sourceforge.phpdt.core.jdom.IDOMCompilationUnit;
+import net.sourceforge.phpdt.core.jdom.IDOMFactory;
import net.sourceforge.phpdt.core.jdom.IDOMNode;
+import net.sourceforge.phpdt.internal.compiler.IDocumentElementRequestor;
+import net.sourceforge.phpdt.internal.compiler.env.ICompilationUnit;
import net.sourceforge.phpdt.internal.core.util.ReferenceInfoAdapter;
/**