= $minVocabSymbol && $symbol <= $maxVocabSymbol && !parent::matches($symbol, $minVocabSymbol, $maxVocabSymbol); } public function getSerializationType() : int { return self::NOT_SET; } public function equals(object $other) : bool { if ($this === $other) { return true; } return $other instanceof self && $this->target->equals($other->target); } public function __toString() : string { return '~' . parent::__toString(); } }