code: private String getSpecificJoinFetchAnnotation() {
          List<Relation> manyToManyRelations = relation.getToEntity().getManyToMany().getList();
          // we have only on many-to-many ? No problem, move on
          if (manyToManyRelations.size() <= 1) {
              return null;
          }
          // we have many many to many relations ? and one requires eager, then we need to set the fetchmode
          for (Relation relation : manyToManyRelations) {
              if (relation.getFetchTypeGetter() != null && relation.getFetchTypeGetter().getFetch() != null && relation.getFetchTypeGetter().getFetch().isEager()) {
                  addImport("org.hibernate.annotations.Fetch");
                  addImport("org.hibernate.annotations.FetchMode");
                  return "@Fetch(value = FetchMode.SUBSELECT)";
              }
          }
          // no eager requested, move on
          return null;
      }
docs: When you have multiple eager bags you need to specify how you want to make them eager.