protected function getEmptyField(FieldDefinition $fieldDefinition, $languageCode)
    {
        $fieldType = $this->fieldTypeRegistry->getFieldType($fieldDefinition->fieldType);

        return new Field(
            array(
                'fieldDefinitionId' => $fieldDefinition->id,
                'type' => $fieldDefinition->fieldType,
                'value' => $fieldType->getEmptyValue(),
                'languageCode' => $languageCode,
            )
        );
    }