code: public Group addGroup(String name, String path, String description, Visibility visibility,
              Boolean lfsEnabled, Boolean requestAccessEnabled, Integer parentId) throws GitLabApiException {
  
          Form formData = new GitLabApiForm()
                  .withParam("name", name)
                  .withParam("path", path)
                  .withParam("description", description)
                  .withParam("visibility", visibility)
                  .withParam("lfs_enabled", lfsEnabled)
                  .withParam("request_access_enabled", requestAccessEnabled)
                  .withParam("parent_id", isApiVersion(ApiVersion.V3) ? null : parentId);
          Response response = post(Response.Status.CREATED, formData, "groups");
          return (response.readEntity(Group.class));
      }
docs: Creates a new project group. Available only for users who can create groups.
  
  <pre><code>GitLab Endpoint: POST /groups</code></pre>
  
  @param name the name of the group to add
  @param path the path for the group
  @param description (optional) - The group's description
  @param visibility (optional) - The group's visibility. Can be private, internal, or public.
  @param lfsEnabled (optional) - Enable/disable Large File Storage (LFS) for the projects in this group
  @param requestAccessEnabled (optional) - Allow users to request member access
  @param parentId (optional) - The parent group id for creating nested group
  @return the created Group instance
  @throws GitLabApiException if any exception occurs