code: public Member getMember(Object groupIdOrPath, int userId) throws GitLabApiException {
          Response response = get(Response.Status.OK, getDefaultPerPageParam(), "groups", getGroupIdOrPath(groupIdOrPath), "members", userId);
          return (response.readEntity(new GenericType<Member>() {}));
      }
docs: Get a group member viewable by the authenticated user.
  
  <pre><code>GitLab Endpoint: GET /groups/:id/members/:id</code></pre>
  
  @param groupIdOrPath the group ID, path of the group, or a Group instance holding the group ID or path
  @param userId the member ID of the member to get
  @return a member viewable by the authenticated user
  @throws GitLabApiException if any exception occurs