src/Bootstrap/Elements/Progress.php
public function addProgress($progress, $options = [])
    {
        $options['progress'] = $progress;

        $element = clone $this;
        $element->bars[] = $options;

        return $element;
    }
public function addProgress($progress, $options = [])
    {
        $options['progress'] = $progress;

        $element = clone $this;
        $element->bars[] = $options;

        return $element;
    }
@param double $progress The current progress value
@param array  $options

The options may contain the following keys:

background  : string
height      : int
min         : double
max         : double
label       : string
autoLabel   : bool

@return \MarvinLabs\Html\Bootstrap\Elements\Progress