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

[detail level 123456]

▼Ncom
▼Ntwilio
▼Nsync
▼Ninternal
CReLinker	ReLinker is a small library to help alleviate UnsatisfiedLinkError exceptions thrown due to Android's inability to properly install / load native libraries for Android versions before API 21
CDocument	Document is an arbitrary JSON value
CDocumentObserver	Observer for all operations on a Document
CErrorInfo	Representation of a Sync Error object
▼CList	List is an ordered sequence of arbitrary JSON objects as values
▼CItem	Single item in a List
CMetadata	Metadata about the item
CPageSort	Defines result ordering within a single paginator page
CQueryOptions	Defines query options for requesting items from a List
CQueryOrder	Defines collection query direction (forward or backwards item listing)
CListIterator	Class for iterating over List items retrieved using List#getItems
CListObserver	Observer for all operations on a List
CListPaginator	Class for paginating over List items retrieved using List#queryItems
▼CMap	Map is a key-value store with Strings as keys and arbitrary JSON objects as values
CItem	Single item in a Map
CPageSort	Defines result ordering within a single paginator page
CQueryOptions	Defines query options for requesting items from a Map
CQueryOrder	Defines collection query direction (forward or backwards item listing)
CMapIterator	Class for iterating over Map items retrieved using Map#getItems
CMapObserver	Observer for all operations on a Map
CMapPaginator	Class for paginating over Map items retrieved using Map#queryItems
CMutator	Mutator is a functional object that you provide to modify entity data in a controlled manner
COptions	Options are used to pass variable information to Document, Map, List and Stream opening functions
▼CStream	Stream is an ordered message delivery queue
CMessage	Single message in a Stream
CStreamObserver	Observer for all operations on a Stream
CSuccessListener	Interface for a generic listener object
▼CSyncClient	This is a central entity used to work with Sync
CConnectionState	Enum representing underlying twilsock connection state
CConnectionStateListener	Listener interface to receive connection state change events
CLogLevel	Log level constants for passing to setLogLevel
▼CProperties	Specify properties for creating new Sync Client
CBuilder	Builder class for client properties