public function loadInlineFields($parentKey)
    {
        $json = $this->load();
        $inlineFields = array();
        foreach ($json as $table) {
            if ($table["tca"]) {
                foreach ($table["tca"] as $key => $tca) {
                    if ($tca["inlineParent"] == $parentKey) {
                        if ($tca["config"]["type"] == "inline") {
                            $tca["inlineFields"] = $this->loadInlineFields($key);
                        }
                        $tca["maskKey"] = "tx_mask_" . $tca["key"];
                        $inlineFields[] = $tca;
                    }
                }
            }
        }
        return $inlineFields;
    }