toJson method
Serializes a Presentation to its RWPM JSON representation.
Implementation
@override
Map<String, dynamic> toJson() => {}
..putOpt("clipped", clipped)
..putOpt("continuous", continuous)
..putOpt("fit", fit?.value)
..putOpt("orientation", orientation?.value)
..putOpt("overflow", overflow?.value)
..putOpt("spread", spread?.value)
..putOpt("layout", layout?.value);