docs: public Pager<Participant> getParticipants(Object projectIdOrPath, Integer mergeRequestIid, int itemsPerPage) throws GitLabApiException {
          return new Pager<Participant>(this, Participant.class, itemsPerPage, null,
                  "projects", getProjectIdOrPath(projectIdOrPath), "merge_requests", mergeRequestIid, "participants");
      }