code: public List<OntologyTerm> findExcatOntologyTerms(
        List<String> ontologyIds, Set<String> terms, int pageSize) {
      List<OntologyTerm> findOntologyTerms = findOntologyTerms(ontologyIds, terms, pageSize);
      return findOntologyTerms
          .stream()
          .filter(ontologyTerm -> isOntologyTermExactMatch(terms, ontologyTerm))
          .collect(Collectors.toList());
    }
docs: Finds exact {@link OntologyTerm}s within {@link Ontology}s.
  
  @param ontologyIds IDs of the {@link Ontology}s to search in
  @param terms {@link List} of search terms. the {@link OntologyTerm} must match at least one of
  these terms
  @param pageSize max number of results
  @return {@link List} of {@link OntologyTerm}s