Here is a list of all documented files with brief descriptions:

Allocate.h
AllocatorInterface.h
ANSIString.h
ApplicationLayer.h
AssociativeContainer.h
AssociativeContainerBase.h
AudioGen.h
AudioOutDelayControl.h
AudioUtil.h
LoadBalancing-cpp/inc/AuthenticationValues.h
Chat-cpp/inc/AuthenticationValues.h
Base.h
BaseCharString.h
BaseListener.h
Buffer.h
Channel.h
LoadBalancing-cpp/inc/Client.h
Chat-cpp/inc/Client.h
ClientConstructOptions.h
ClientState.h
CodeForType.h
CodeZero.h
Common.h
Conditional.h
ConnectionProtocol.h
ConnectOptions.h
Core.h
LoadBalancing-cpp/inc/Enums/CustomAuthenticationType.h
Chat-cpp/inc/Enums/CustomAuthenticationType.h
CustomType.h
CustomTypeBase.h
DebugLevel.h
Deserializer.h
Dictionary.h
DictionaryBase.h
DirectMode.h
LoadBalancing-cpp/inc/Enums/DisconnectCause.h
Chat-cpp/inc/Enums/DisconnectCause.h
Photon-cpp/inc/Enums/ErrorCode.h
Chat-cpp/inc/Enums/ErrorCode.h
EventCache.h
Photon-cpp/inc/Enums/EventCode.h
EventData.h
EventKey.h
FriendInfo.h
GenericAssociativeContainer.h
GenericAssociativeContainerBase.h
Hashtable.h
IntegerTypeCode.h
IntegralConstant.h
Is1DArray.h
IsArithmetic.h
Serialization/TypeCode18/IsArray.h
TypeTraits/IsArray.h
IsClass.h
IsCompound.h
IsCustom.h
IsEnum.h
IsFloatingPoint.h
IsFunction.h
IsFundamental.h
IsIntegral.h
IsMemberPointer.h
IsObject.h
IsPointer.h
IsPrimitiveType.h
IsReference.h
IsScalar.h
IsUnion.h
IsValid.h
8/IsValid.h
IsValid1DArrayElement.h
IsVoid.h
JArray.h
JDictionary.h
JHashSet.h
JHashtable.h
JLinkedList.h
JList.h
JObject.h
JQueue.h
JSortedList.h
JStack.h
JString.h
JTime.h
JVector.h
KeyObject.h
LoadBalancing-cpp/inc/Listener.h
Chat-cpp/inc/Listener.h
LitePeer.h
LoadBalancingListener.h
LoadBalancingTransport.h
LobbyStatsRequest.h
LobbyStatsResponse.h
LobbyType.h
Logger.h
LoggingBase.h
MakeSigned.h
MakeUnsigned.h
MatchmakingMode.h
MutablePlayer.h
MutableRoom.h
NetworkPort.h
Object.h
ObjectTypeCodeForCode.h
Photon-cpp/inc/Enums/OperationCode.h
OperationRequest.h
OperationResponse.h
OpusCodec.h
Photon-cpp/inc/Enums/ParameterCode.h
LoadBalancing-cpp/inc/Peer.h
Chat-cpp/inc/Peer.h
PeerState.h
PeerStates.h
PhotonListener.h
PhotonPeer.h
PhotonTransport.h
Player.h
RaiseEventOptions.h
ReceiverGroup.h
RegionSelectionMode.h
RemoteVoiceOptions.h
Room.h
RoomOptions.h
SendDirectOptions.h
SequenceContainer.h
SerializationProtocol.h
Serializer.h
ServerType.h
StatusCode.h
ToString.h
ToStringDefaultImplementation.h
TrafficStats.h
TrafficStatsGameLevel.h
TypeCode.h
TypeCode18.h
TypeForCode.h
8/TypeForCode.h
UnsignedCode.h
UserStatus.h
UTF8String.h
ValueObject.h
Voice.h
VoiceAudio.h
VoiceClient.h
VoiceCodec.h
VoiceFramed.h
VoiceInfo.h
WebFlags.h