Assign an event handler to receive an object's input events.
Assign an event handler to receive an object's output events.
Trigger an event, sending to all downstream handlers listening for provided 'type' key.
Alias for emit
Add event handler object to set of downstream handlers.
Remove handler object from set of downstream handlers. Undoes work of "pipe".
Bind a callback function to an event type handled by this object.
Alias for "on"
Listen for events from an upstream event handler.
Stop listening to events from an upstream event handler.