.js';
Polymer({
  is: 'x-clonate'
});
</script>
</dom-module>

<dom-module id="x-attach3">
  <template>
    <style>
      :host {
        display: block;
        border: 1px dashed orange;
        padding: 4px;
        box-sizing: border-box;
      }

      :host > ::slotted(.add3) {
        box-sizing: border-box;
        height: 20px;
        background: #333;
        border: 2px solid yellow;
      }
    </style>
    <slot></slot>
    <template is="dom-if" if="{{shouldIf(done.count)}}">
      <x-attach2>