constructor (id, parentEditorSession, initialEditorState) {
    super(id, parentEditorSession.getDocument().clone(), initialEditorState)

    this.parentEditorSession = parentEditorSession

    // Once we start using this in a collaborative environment
    // we need to listen to changes applied to the parent session
  }
Used as an EditorSession in Modals.

It has capabilities to 'rebase' onto the latest