public final StringProperty detailsProperty() {
    return details;
  }
The dialog's action, which is invoked whenever the dialog has been hidden in the scene graph.
An event will be fired whenever {@link DialogControl#hide()} or {@link
Workbench#hideDialog(WorkbenchDialog)} has been called or the dialog has been closed by
clicking on its corresponding {@link GlassPane}.

@return the property to represent the event, which is invoked whenever the dialog has been
        hidden in the scene graph.
workbenchfx-core/src/main/java/com/dlsc/workbenchfx/model/WorkbenchDialog.java