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

@param  Tarsana\Command\Command|null
@return Tarsana\Command\Command
parent getter and setter .