`isigclient`
		initmodel
		clear
		getinputar
		getoutputar
		gethandler
		getzcount
		getcomponent
		modelchange
		getsigcontroller
		getsigclientinfopo
		getsigoptions
		sigtick

`ievent`
		receiveevent

`iobjectlink`
		link
		unlink
		objevent
		getinstance

`inullinterface`