NewManager returns a new Manager for managing connection to nodes added to the manager.

AsyncEmpty is a async object for processing replies.

Batch is a list of commands to be executed.

Command is the request that is sent to the HotStuff replicas with the data to be executed.

A Configuration represents a static set of nodes on which quorum remote procedure calls may be invoked.

Manager maintains a connection pool of nodes on which quorum calls can be performed.

Client is the server-side API for the Client Service.

QuorumSpec is the interface of quorum functions for Client.