protected function serializeValue($elementName, Generator $generator, FieldType $fieldType, $value)
{
$hash = $fieldType->toHash($value);
$fieldTypeIdentifier = $fieldType->getFieldTypeIdentifier();
if ($this->fieldTypeProcessorRegistry->hasProcessor($fieldTypeIdentifier)) {
$processor = $this->fieldTypeProcessorRegistry->getProcessor($fieldTypeIdentifier);
$hash = $processor->postProcessValueHash($hash);
}
$this->serializeHash($elementName, $generator, $hash);
}