class_docstr: Wrapper around a TreeWidget's invisible root item that calls
  TreeWidget.informTreeWidgetChange when child items are added/removed.
class_docstr_tok: ["Wrapper","around","a","TreeWidget","'s","invisible","root","item","that","calls","TreeWidget.informTreeWidgetChange","when","child","items","are","added\/removed","."]
code: def insertChildren(self, index, childs):
      self._real_item.addChildren(index, childs)
      for child in childs:
          TreeWidget.informTreeWidgetChange(child)
  
imports: from ..Qt import QtCore, QtWidgets
label_desc: Use image node_id 5 for calling the InvisibleRootItem obj's underlying member method code with example usage: obj.insertChildren(index, childs) without return types