import org.eclipse.jface.text.Position;
import org.eclipse.jface.text.source.Annotation;
import org.eclipse.jface.text.source.IAnnotationModel;
import org.eclipse.jface.text.source.IAnnotationModelExtension;
import org.eclipse.ui.texteditor.AnnotationTypeLookup;
<BUG>import org.eclipse.ui.texteditor.MarkerAnnotation;
import org.eclipse.xtext.ui.core.editor.XtextEditor;</BUG>
import org.eclipse.xtext.validation.Issue;
import org.eclipse.xtext.validation.Issue.Severity;
<BUG>import com.google.common.base.Predicate;
</BUG>
import com.google.common.collect.Lists;

import org.eclipse.jface.text.Position;
import org.eclipse.jface.text.source.Annotation;
import org.eclipse.jface.text.source.IAnnotationModel;
import org.eclipse.jface.text.source.IAnnotationModelExtension;
import org.eclipse.ui.texteditor.AnnotationTypeLookup;
import org.eclipse.ui.texteditor.MarkerAnnotation;
import org.eclipse.xtext.ui.core.MarkerTypes;
import org.eclipse.xtext.ui.core.editor.XtextEditor;
import org.eclipse.xtext.validation.Issue;
import org.eclipse.xtext.validation.Issue.Severity;
import com.google.common.collect.Iterators;
import com.google.common.collect.Lists;
