| DefaultSession | The default session. | 
| FeBooLockSmith | Makes BooLocks; see the comment there | 
| FeChallengeLockSmith | Makes ChallengeLocks; see the comment there | 
| FeClubDescription | Describes the state of Club -- who is in it, which Work is its home (if it has one), and how you can... | 
| FeLockSmith | Describes how to obtain the authority of a Club. | 
| FeMatchLockSmith | Makes MatchLocks; see the comment there | 
| FeMultiLockSmith | Makes MultiLocks; see the comment there | 
| FePromiseSession | Represent a single unique connection to the server over some underlying bytestream channel. | 
| FeSession | Represent a single unique connection to the server over some underlying bytestream channel. | 
| FeWallLockSmith | Makes WallLocks; see the comment there |