A HooksManager is an environment that manages a tree-based hierarchy
of HookEnvironments. By managing an internal hierarchy of HookEnvironments
through a subscription to HookEvents, a HooksManager is able to manage Channels
to provide state that is shared.
A HooksManager is an environment that manages a tree-based hierarchy of HookEnvironments. By managing an internal hierarchy of HookEnvironments through a subscription to HookEvents, a HooksManager is able to manage Channels to provide state that is shared.