protected function createExistingFieldInNewVersion(Field $field, Content $content)
    {
        $originalField = clone $field;
        $field->versionNo = $content->versionInfo->versionNo;

        $this->contentGateway->insertExistingField(
            $content,
            $field,
            $this->mapper->convertToStorageValue($field)
        );

        // If the storage handler returns true, it means that $field value has been modified
        // So we need to update it in order to store those modifications
        // Field converter is called once again via the Mapper
        if ($this->storageHandler->copyFieldData($content->versionInfo, $field, $originalField) === true) {
            $this->contentGateway->updateField(
                $field,
                $this->mapper->convertToStorageValue($field)
            );
        }
    }