docs: public Pager<MergeRequest> getClosedByMergeRequests(Object projectIdOrPath, Integer issueIid, int itemsPerPage) throws GitLabApiException {
          return new Pager<MergeRequest>(this, MergeRequest.class, itemsPerPage, null,
                  "projects", getProjectIdOrPath(projectIdOrPath), "issues", issueIid, "closed_by");
      }