EVENT_OBJECT_HIDE on <div.a> role=ROLE_SYSTEM_GROUPING name="Heading" level=2
EVENT_OBJECT_REORDER on <div> role=ROLE_SYSTEM_TOOLBAR IA2_STATE_HORIZONTAL
EVENT_OBJECT_SHOW on <div.b> role=ROLE_SYSTEM_GROUPING name="Banner"
IA2_EVENT_TEXT_INSERTED on <div> role=ROLE_SYSTEM_TOOLBAR IA2_STATE_HORIZONTAL new_text={'<obj>' start=0 end=1}
IA2_EVENT_TEXT_REMOVED on <div> role=ROLE_SYSTEM_TOOLBAR IA2_STATE_HORIZONTAL old_text={'<obj>' start=0 end=1}