src/Command.php
public function description(string $value = null)
    {
        if (null === $value) {
            return $this->description;
        }
        $this->description = $value;
        return $this;
    }
public function description(string $value = null)
    {
        if (null === $value) {
            return $this->description;
        }
        $this->description = $value;
        return $this;
    }
public function description ( string $ value = null ) { if ( null === $ value ) { return $ this -> description ; } $ this -> description = $ value ; return $ this ; }
description getter and setter.

@param  string
@return mixed
description getter and setter .