src/Writer/File/FileWriter.php
protected function getNewLine(): string
    {
        if ($this->newLine === null) {
            $this->newLine = PHP_EOL;
        }

        return $this->newLine;
    }
protected function getNewLine(): string
    {
        if ($this->newLine === null) {
            $this->newLine = PHP_EOL;
        }

        return $this->newLine;
    }
Get newline character(s).

@return string