public function findFirstOnLine(File $phpcsFile, $start)
    {
        $tokens = $phpcsFile->getTokens();

        for ($i = $start; $i >= 0; $i--) {
            if ($tokens[$i]['line'] === $tokens[$start]['line']) {
                continue;
            }

            return ($i + 1);
        }

        return false;
    }