ReferenceData modelShared primitivesHalfInningHalf inning: top (away batting) or bottom (home batting).enumtopbottomUsed by←PlateAppearanceView.half_inning←previousDetailnext→HandednessCodeDetailHow much of each pitch's Statcast surface to project onto the wire.HandednessCodeSource-reported handedness / side code, such as `R`, `L`, or `S`.