public function __construct(Expression $value)
{
parent::__construct($value);
}
public function __construct(Expression $value, array $arguments)
{
parent::__construct($value);
$this->arguments = self::verifyAll($arguments, ArgumentExpression::getType());
}
public function __construct(Expression $value, Expression $index = null)
{
parent::__construct($value);
$this->index = $index;
}