code: func (o *ObjectList) Children() *ObjectList {
  	var result ObjectList
  	for _, item := range o.Items {
  		if len(item.Keys) > 0 {
  			result.Add(item)
  		}
  	}
  
  	return &result
  }
docs: // Children returns further nested objects (key length > 0) within this
  // ObjectList. This should be used with Filter to get at child items.