code: public Group getGroup(Object groupIdOrPath) throws GitLabApiException {
        Response response = get(Response.Status.OK, null, "groups", getGroupIdOrPath(groupIdOrPath));
        return (response.readEntity(Group.class));
      }
docs: Get all details of a group.
  
  <pre><code>GitLab Endpoint: GET /groups/:id</code></pre>
  
  @param groupIdOrPath the group ID, path of the group, or a Group instance holding the group ID or path
  @return the Group instance for the specified group path
  @throws GitLabApiException if any exception occurs