code: private List<OntologyTermSynonym> createSynonyms(OWLClass ontologyTerm) {
      return loader
          .getSynonyms(ontologyTerm)
          .stream()
          .map(this::createSynonym)
          .collect(Collectors.toList());
    }
docs: Creates {@link OntologyTermSynonymMetadata} {@link Entity}s for an ontology term
  
  @param ontologyTerm {@link OWLClass} for the ontology term
  @return {@link List} of created synonym {@link Entity}s