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

ApcCacheProvider
Api
Cache
CommonsenseOauthClient
Data
Device
Diagnostics
Environment
Group
ICacheProvider
Library
LibraryException
Make
MemcacheCacheProvider
MemcachedCacheProvider
NoOpCacheProvider
Notification
OAuthConsumer
OAuthDataStore
OAuthError
OAuthException
OAuthProvider
OAuthRequest
OAuthResponse
OAuthSignatureMethod
OAuthSignatureMethodHmacSha1
OAuthSignatureMethodPlainText
OAuthSignatureMethodRsaSha1
OAuthToken
OAuthUtil
RecessErrorException
RecessException
RecessFrameworkException
RecessResponseException
ResponseCodes
Sensor
Service
SqliteCacheProvider
Trigger
User