Here are the classes, structs, unions and interfaces with brief descriptions:

[detail level 123]

Nrig
CPageNavInput	Pointer + view for pollPageNav - same space as CTransform (design)
Nrigkit
Nproject
CComponentSerializerRegistry	Named component codecs for .rigdoc entity dumps
CContractImportResult	Contract JSON (rig.* keys) to host POD import report
CProjectSerializer	Save/load ECS document content as a RigWorks Contract document
CPackageOpen	Result of opening a .rig or .rigz package for import
Necs
CCPage	Page record - data only
CCProject	Project envelope - data only
CrigProject	Document/page data + JSON document load/save systems