public Builder sourceSectionEquals(SourceSection... section){
  verifyNotNull(section);
  expressions.add(new EventFilterExpression.SourceSectionEquals(section));
  return this;
}

public Builder sourceSectionEquals ( SourceSection ... section ) { verifyNotNull ( section ) ; expressions . add ( new EventFilterExpression . SourceSectionEquals ( section ) ) ; return this ; }
add a filter for all sources sections that equal one of the given source sections .
