/**
  * Transforms a hash into a FieldType Value using `FieldType::fromHash()`.
  * The FieldValue is compatible with `transform()`.
  *
  * @param array $value
  *
  * @return \eZ\Publish\SPI\FieldType\Value
  */
 public function reverseTransform($value)
 {
     if (!$value) {
         return $this->fieldType->getEmptyValue();
     }
     return $this->fieldType->fromHash($value);
 }
 /**
  * Returns the fallback default value of field type when no such default
  * value is provided in the field definition in content types.
  *
  * @return mixed
  */
 public function getEmptyValue()
 {
     return $this->innerFieldType->getEmptyValue();
 }