private static AnnotatedNullType createBottom(final AnnotatedTypeFactory typeFactory,final Set<? extends AnnotationMirror> annos){
  return typeFactory.getAnnotatedNullType(annos);
}

private static AnnotatedNullType createBottom ( final AnnotatedTypeFactory typeFactory , final Set < ? extends AnnotationMirror > annos ) { return typeFactory . getAnnotatedNullType ( annos ) ; }
returns an annotatednulltype with the given annotations as primaries
