* allowed_operators={">", "<", ">=", "<=", "=", "is", "!=", "and", "not", "or", "matches", "notmatches"}
* )
* @ORM\Column(name="rule", type="string", nullable=false)
* allowed_operators={">", "<", ">=", "<=", "=", "is", "!=", "and", "not", "or", "matches", "notmatches"}
* )
* @ORM\Column(name="rule", type="string", nullable=false)