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

NSNumber(WINetworking)
NSObject(WIP7SocketDelegate)
NSProcessInfo(WINetworking)
NSString(WINetworking)
WIAddress
WIAddress(Private)
WIError
WIP7Message
WIP7Notification
WIP7NotificationCenter
WIP7Socket
WIP7Socket(Private)
WIP7Spec
WIP7Spec(Private)
WIP7SpecField
WIP7SpecField(Private)
WIP7SpecMessage
WIP7SpecMessage(Private)
WIP7SpecParameter
WIP7SpecParameter(Private)
WIP7SpecType
WIP7SpecType(Private)
WISocket
WISocket(Private)
<WISocketDelegate>
WISocketTLS
WISocketTLS(Private)
WIThread
WIThread(Private)