OptionalcounterOptionalmodeDetermines whether the widget should be only opened, revealed or activated.
By default is activate.
OptionalpreviewOptionalrevealOptionalselectionOptionalwidgetSpecify how an opened widget should be added to the shell. By default to the main area.
WidgetOpenerOptionsdefine generic options used by the WidgetOpenHandler.Note: This object may contain references to widgets (e.g.
widgetOptions.ref); these need to be transformed before it can be serialized.