Classes/Console/Mvc/Cli/Command.php
public function getDescription(): string
    {
        $lines = explode(LF, $this->commandReflection->getDescription());
        array_shift($lines);
        $descriptionLines = [];
        foreach ($lines as $line) {
            $trimmedLine = trim($line);
            if ($descriptionLines !== [] || $trimmedLine !== '') {
                $descriptionLines[] = $trimmedLine;
            }
        }

        return implode(LF, $descriptionLines);
    }
public function getDescription(): string
    {
        $lines = explode(LF, $this->commandReflection->getDescription());
        array_shift($lines);
        $descriptionLines = [];
        foreach ($lines as $line) {
            $trimmedLine = trim($line);
            if ($descriptionLines !== [] || $trimmedLine !== '') {
                $descriptionLines[] = $trimmedLine;
            }
        }

        return implode(LF, $descriptionLines);
    }
Returns a longer description of this command
This is the complete method description except for the first line which can be retrieved via getShortDescription()
If The command description only consists of one line, an empty string is returned

@return string A longer description of this command