* @var string
*
* @Assert\NotBlank()
+ * @Assert\Length(max=255)
* @RulerZAssert\ValidRule(
* allowed_variables={"title", "url", "isArchived", "isStared", "content", "language", "mimetype", "readingTime", "domainName"},
* allowed_operators={">", "<", ">=", "<=", "=", "is", "!=", "and", "not", "or", "matches"}