SlevomatCodingStandard\Sniffs\Namespaces\ReferenceUsedNamesOnlySniff::getFullyQualifiedKeywords PHP Method

    private function getFullyQualifiedKeywords()
    {
        if ($this->normalizedFullyQualifiedKeywords === null) {
            $this->normalizedFullyQualifiedKeywords = array_map(function ($keyword) {
                if (!defined($keyword)) {
                    throw new \SlevomatCodingStandard\Sniffs\Namespaces\UndefinedKeywordTokenException($keyword);
                }
                return constant($keyword);
            }, SniffSettingsHelper::normalizeArray($this->fullyQualifiedKeywords));
        }
        return $this->normalizedFullyQualifiedKeywords;
    }