src/Console/BaseCommand.php
protected function buildCommandSignature()
    {
        $this->signature = $this->namespace.':'.$this->commandName.' '.
            $this->commandArguments.
            $this->commandOptions.
            $this->commonOptions;
    }
protected function buildCommandSignature()
    {
        $this->signature = $this->namespace.':'.$this->commandName.' '.
            $this->commandArguments.
            $this->commandOptions.
            $this->commonOptions;
    }
Build a command's signature.

@return string