src/Diagnostics/ContentWriter.php
private function generateFileName($name)
    {
        $filename = is_null($name) ? $this->getUniqId() : $name;
        return is_null($this->getPrefix()) ? $filename : $this->getPrefix() . $filename;
    }
private function generateFileName($name)
    {
        $filename = is_null($name) ? $this->getUniqId() : $name;
        return is_null($this->getPrefix()) ? $filename : $this->getPrefix() . $filename;
    }
Creates filename based on name and prefix.
It generates uniqid-like string if name is ommited
@param string $name
@return string