docs: public void addLdapGroupLink(Object groupIdOrPath, String cn, Integer groupAccess, String provider) throws GitLabApiException {
          GitLabApiForm formData = new GitLabApiForm()
                  .withParam("cn",  cn, true)
                  .withParam("group_access", groupAccess, true)
                  .withParam("provider",  provider, true);
          post(Response.Status.CREATED, formData, "groups", getGroupIdOrPath(groupIdOrPath), "ldap_group_links");
      }