FluxBB\Models\GroupRepository::loadPermissions PHP Method

    protected function loadPermissions($group)
    {
        if ($this->hasCachedPermissions($group->id)) {
            $permissions = $this->getCachedPermissions($group);
        } else {
            $permissions = $this->cachePermissions($group);
        }
        $collection = new Collection($permissions);
        $group->setRelation('permissions', $collection);
    }