docs: protected final void fireMemberJoined(AgentContext newJoinedContext) {
  		final EventSpace defSpace = newJoinedContext.getDefaultSpace();
  		defSpace.emit(
  				// No need to give an event source because the event's source is explicitly set below.
  				null,
  				new MemberJoined(defSpace.getAddress(getOwner().getID()), newJoinedContext.getID(), getOwner().getID(),
  				getOwner().getClass().getName()));
  	}