eZ\Publish\Core\SignalSlot\Repository::getFieldTypeService PHP Method

    public function getFieldTypeService()
    {
        if ($this->fieldTypeService !== null) {
            return $this->fieldTypeService;
        }
        $this->fieldTypeService = new FieldTypeService($this->repository->getFieldTypeService(), $this->signalDispatcher);
        return $this->fieldTypeService;
    }