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

ApplicationLayer.h
ClientState.h
Core.h
LoadBalancing-cpp/inc/Enums/CustomAuthenticationType.h
Chat-cpp/inc/Enums/CustomAuthenticationType.h
DirectMode.h
LoadBalancing-cpp/inc/Enums/DisconnectCause.h
Chat-cpp/inc/Enums/DisconnectCause.h
EGArray.h
EGBase.h
EGBaseListener.h
EGChatChannel.h
EGChatClient.h
EGChatListener.h
EGChatPeer.h
EGCustomTypeUtils.h
EGDictionary.h
EGEventData.h
EGLitePeer.h
EGLoadBalancingClient.h
EGLoadBalancingListener.h
EGLoadBalancingPeer.h
EGLoadBalancingPlayer.h
EGLoadBalancingRoom.h
EGLogger.h
EGOperationRequest.h
EGOperationResponse.h
EGPhotonListener.h
EGPhotonPeer.h
EGRaiseEventOptions.h
EGRoomOptions.h
EGTime.h
EGToString.h
EGTrafficStats.h
ErrorCode.h
LobbyType.h
MatchmakingMode.h
NSObject+CopyDeep.h
NSString+UTF32.h
PeerStates.h
RegionSelectionMode.h
ServerType.h
UserStatus.h