code: function htmlSafe(str) {
      if (str === null || str === undefined) {
        str = '';
      } else if (typeof str !== 'string') {
        str = '' + str;
      }
      return new _htmlbarsUtil.SafeString(str);
    }
docs: Mark a string as safe for unescaped output with Ember templates. If you
  return HTML from a helper, use this function to
  ensure Ember's rendering layer does not escape the HTML.
  
  ```javascript
  Ember.String.htmlSafe('<div>someString</div>')
  ```
  
  @method htmlSafe
  @for Ember.String
  @static
  @return {Handlebars.SafeString} A string that will not be HTML escaped by Handlebars.
  @public