text: import TwbsSpan from './twbs-span';
  
  export default TwbsSpan.extend({
    attributeBindings: [
      'autofocus',
      'disabled',
      'form',
      'formaction',
      'formenctype',
      'formmethod',
      'formnovalidate',
      'formtarget',
      'name',
      'type',
      'value'
    ],
    classNames: ['btn', 'twbs-button'],
    /**
     * This is a `button` tag.
     */
    tagName: 'button',
    twbsSpan: false // turns of the style class `twbs-span` inherited from the `twbs-span` component.
  });
  