visibility
The gateway whose policies decide which of type's states a caller sees (me.ahoo.wow.query.state.StateVisibility): its snapshot query gateway, else its snapshot policy gateway; null when no policy applies to it.
The gateway whose policies decide which of type's states a caller sees (me.ahoo.wow.query.state.StateVisibility): its snapshot query gateway, else its snapshot policy gateway; null when no policy applies to it.