public Builder indexIn(IndexRange... ranges){
  verifyNotNull(ranges);
  expressions.add(new EventFilterExpression.IndexIn(ranges));
  return this;
}

public Builder indexIn ( IndexRange ... ranges ) { verifyNotNull ( ranges ) ; expressions . add ( new EventFilterExpression . IndexIn ( ranges ) ) ; return this ; }
add a filter for all sources sections which indices are contained in one of the given index ranges .
