public Builder tagIs(Class<?>... tags){
  verifyNotNull(tags);
  expressions.add(new EventFilterExpression.TagIs(tags));
  return this;
}

public Builder tagIs ( Class < ? > ... tags ) { verifyNotNull ( tags ) ; expressions . add ( new EventFilterExpression . TagIs ( tags ) ) ; return this ; }
add a filter for all source sections that are tagged with one of the given string tags .
