src/Tabs/TabsView.php
public function addContent($name, $content = null)
    {
        if (is_array($name)) {
            return $this->setContents($name);
        }

        return $this->_preparedContent($name, $content);
    }
public function addContent($name, $content = null)
    {
        if (is_array($name)) {
            return $this->setContents($name);
        }

        return $this->_preparedContent($name, $content);
    }
@param string|array $name
@param string|null  $content

@return $this