PhpCsFixer\Fixer\Casing\LowercaseConstantsFixer::isNeighbourAccepted PHP Method

    private function isNeighbourAccepted(Tokens $tokens, $index)
    {
        static $forbiddenTokens = null;
        if (null === $forbiddenTokens) {
            $forbiddenTokens = array(T_AS, T_CLASS, T_CONST, T_EXTENDS, T_IMPLEMENTS, T_INSTANCEOF, T_INTERFACE, T_NEW, T_NS_SEPARATOR, T_PAAMAYIM_NEKUDOTAYIM, T_USE, CT::T_USE_TRAIT, CT::T_USE_LAMBDA);
            if (defined('T_TRAIT')) {
                $forbiddenTokens[] = T_TRAIT;
            }
            if (defined('T_INSTEADOF')) {
                $forbiddenTokens[] = T_INSTEADOF;
            }
        }
        $token = $tokens[$index];
        if ($token->equalsAny(array('{', '}'))) {
            return false;
        }
        return !$token->isGivenKind($forbiddenTokens);
    }