How to use the bpk-component-banner-alert.ALERT_TYPES.WARN function in bpk-component-banner-alert

examples: [
      
        {longMessage}
      ,
      
        {longMessage}
      ,
      
        {longMessage}
      ,
      
        {longMessage}
      ,
    ],
  },
  {
    id: 'dismissable',
    title: 'Dismissable',
    blurb: [

this.bannerAlerts = [
      {
        show: true,
        message: 'Neutral alert with dismiss option.',
        type: ALERT_TYPES.NEUTRAL,
      },
      {
        show: true,
        message: 'Successful alert with dismiss option.',
        type: ALERT_TYPES.SUCCESS,
      },
      {
        show: true,
        message: 'Warn alert with dismiss option.',
        type: ALERT_TYPES.WARN,
      },
      {
        show: true,
        message: 'Error alert with dismiss option.',
        type: ALERT_TYPES.ERROR,
      },
    ];

    this.state = {
      bannerAlerts: JSON.parse(JSON.stringify(this.bannerAlerts)),
      dirty: false,
    };
  }

<option value="business">Business class</option>
          <option value="first">First class</option>
        
      ,
    ],
    readme: selectReadme,
  },
  {
    id: 'docked-inputs-and-selects',
    title: 'Docked inputs &amp; selects',
    blurb:
      'Both inputs and selects can be docked together to build a one-line form.',
    examples: [
      <div>
        
      </div>,
      <form>
        <div>
          
            From
          
          
            To
          
          
            Depart
          
          
            Return</div></form>