Class decorator that marks a class as an event module.
The decorator is intended to be used by the module loader to discover
and register event listener classes associated with a module. It stores
configuration on the class (via metadata) so runtime code can act on it.
Class decorator that marks a class as an event module.
The decorator is intended to be used by the module loader to discover and register event listener classes associated with a module. It stores configuration on the class (via metadata) so runtime code can act on it.