protected function validateConjunctionCondition($operator, $condition)
    {
        if (!is_array($condition) || !ArrayHelper::isIndexed($condition)) {
            $this->addError($this->filterAttributeName, $this->parseErrorMessage('operatorRequireMultipleOperands', ['operator' => $operator]));
            return;
        }

        foreach ($condition as $part) {
            $this->validateCondition($part);
        }
    }