public function build()
    {
        $callback = $this->callback;

        $callback($this);

        if (is_null($this->primary)) {
            $this->primary = self::$defaultPrimary;
        }

        return $this;
    }
public function build()
    {
        $callback = $this->callback;

        $callback($this);

        if (is_null($this->primary)) {
            $this->primary = self::$defaultPrimary;
        }

        return $this;
    }
public function build ( ) { $ callback = $ this -> callback ; $ callback ( $ this ) ; if ( is_null ( $ this -> primary ) ) { $ this -> primary = self :: $ defaultPrimary ; } return $ this ; }
Build the current blueprint.

@return $this
Build the current blueprint .