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

Nink	Namespace contaning all modules and classes from InkCPP
Ncompiler	Collection of functions to compile a story.json to story.bin
Ccompilation_results	Stores results from the compilation process
Nconfig	Set limitations which are required to minimize heap allocations
Nstatistics	Staistiac data for different game elements
Ccontainer	Statistic data for an container data type
Clist_table	Statistics for managed lists, including static and dynamic enties
Cstring_table	Statistiacs to managed strings, which are build at runtime
Cglobal	Stastics for state managed for one runtime
Crunner	Stastics for state managed for one thread inside a runtime
Nruntime	Contaning all modules and classes used for the inkles ink runtime
Cchoice	An ink choice that is being presented to the user
Cglobals_interface	Represents a global store to be shared amongst ink runners
Clist_interface	Interface for accessing a Ink list
Citerator	Iterater for flags in a list
CFlag	Flag data
Crunner_interface	A runner to execute ink script from a story
Csnapshot	Container for an InkCPP runtime snapshot, which can be migrated
Cstory	A loaded ink story
Cstory_ptr	Pointer wrapper to an object whose lifetime is tied to a story object
Cvalue	A Ink variable
CAInkRuntime	Instantiated story with global variable storage and access, used to instantiate new threads
CFInkHandle	Generic registration handle returned by all Register* functions on AInkRuntime and UInkThread
CFInkSnapshot	A serializable snapshot of a runtime state Can be used as variable in a USaveGame to be stored and reloaded
CFInkVar	A wrapper for passing around ink vars to and from ink itself
CFListFlag	A single flag of a list
CHInkChoice	Handler for a ink choice
CHInkGlobals	Handle for the global variable store shared among ink runners
CHInkList	Handler for a ink list
CHInkRunner	A handle for an ink runner
CHInkSnapshot	Handler for a ink snapshot
CHInkStory	Handle for a loaded ink story
CInkListIter	Iterater used to iterate flags of a HInkList
CInkValue	Repserentation of a ink variable
CUInkAsset	Assets containing a InkCPP .bin
CUInkChoice	Representing a Ink Choice in the story flow
CUInkList	Allows reading ink lists
CUInkMigratableSnapshotAsync	A helper class to create migratable snapshots
CUInkThread	Base class for all ink threads
CUInkVarLibrary	Conversion Methods for FInkVar
CUTagList	Helpful tag list