This inheritance list is sorted roughly, but not completely, alphabetically:

[detail level 12]

Celma::Channel	A channel for sending double values to and from Process objects
Celma::Client	An HTTP client for connecting to json services
Celma::Event	Events that can be emitted, watched, and responded to with event handlers
Celma::Manager	The Process Manager class
▼Celma::Process	An abstract base class for processes
Celma::StateMachine	A finite state machine class
▼Cruntime_error
Celma::Exception	An exception class for Elma
Celma::State	States for the StateMachine class
Celma::Transition	States for finite state machines (FSM)