private function isEllipsis(Tokens $tokens, $variableIndex)
    {
        return $tokens[$tokens->getPrevMeaningfulToken($variableIndex)]->isGivenKind(T_ELLIPSIS);
    }
private function isEllipsis(Tokens $tokens, $variableIndex)
    {
        return $tokens[$tokens->getPrevMeaningfulToken($variableIndex)]->isGivenKind(T_ELLIPSIS);
    }
@param Tokens $tokens
@param int    $variableIndex

@return bool