code: public Pager<Group> getGroups(String search, int itemsPerPage) throws GitLabApiException {
          Form formData = new GitLabApiForm().withParam("search", search);
          return (new Pager<Group>(this, Group.class, itemsPerPage, formData.asMap(), "groups"));
      }
docs: Get all groups that match your string in their name or path.
  
  @param search the group name or path search criteria
  @param itemsPerPage the number of Group instances that will be fetched per page
  @return a Pager containing matching Group instances
  @throws GitLabApiException if any exception occurs