public function steps($steps)
    {
        if ( ! is_array($steps)) {
            $steps = [ $steps ];
        }

        $this->steps = $steps;

        return $this;
    }
public function steps($steps)
    {
        if ( ! is_array($steps)) {
            $steps = [ $steps ];
        }

        $this->steps = $steps;

        return $this;
    }
public function steps ( $ steps ) { if ( ! is_array ( $ steps ) ) { $ steps = [ $ steps ] ; } $ this -> steps = $ steps ; return $ this ; }
Sets variant processing steps.

@param array|string|Arrayable $steps
@return $this
Sets variant processing steps .