docs: public static Reference newInstance(Requirement requirement, Specification specification, SystemUnderTest sut, String sections)
      {
          Reference reference = new Reference();
          reference.setSections(sections);
  
          reference.setRequirement(requirement);
          reference.setSpecification(specification);
          reference.setSystemUnderTest(sut);
          requirement.getReferences().add(reference);
          specification.getReferences().add(reference);
  
          return reference;
      }