    <tr>
            <td>open</td>
            <td></td>
            <td>Expand panel</td>
        </tr>
        <tr>
            <td>close</td>
            <td></td>
            <td>Collapse panel</td>
        </tr>
        <tr>
            <td>toggle</td>
            <td></td>
            <td>Toggle state of panel</td>
        </tr>
        <tr>
            <td>isOpened</td>
            <td></td>
            <td>Check if panel is opened</td>
        </tr>
        <tr>
            <td>setContent</td>
     