PhpCsFixer\Fixer\Whitespace\NoExtraConsecutiveBlankLinesFixer::removeEmptyLinesAfterLineWithTokenAt PHP Method

    private function removeEmptyLinesAfterLineWithTokenAt($index)
    {
        // find the line break
        $tokenCount = count($this->tokens);
        for ($end = $index; $end < $tokenCount; ++$end) {
            if ($this->tokens[$end]->equals('}') || false !== strpos($this->tokens[$end]->getContent(), "\n")) {
                break;
            }
        }
        if ($end === $tokenCount) {
            return;
            // not found, early return
        }
        for ($i = $end; $i < $tokenCount && $this->tokens[$i]->isWhitespace(); ++$i) {
            $content = $this->tokens[$i]->getContent();
            if (substr_count($content, "\n") < 1) {
                continue;
            }
            $ending = $this->whitespacesConfig->getLineEnding();
            $pos = strrpos($content, "\n");
            if ($pos + 2 < strlen($content)) {
                // preserve indenting where possible
                $this->tokens[$i]->setContent($ending . substr($content, $pos + 1));
            } else {
                $this->tokens[$i]->setContent($ending);
            }
        }
    }