CLASS za
	METHOD a createPathNodeNavigator ()Lbek;
	METHOD a isValidPosition (Let;)Z
		ARG 0 pos
	METHOD a getPathTo (Lve;)Lbej;
		ARG 0 target
	METHOD b isAtValidPosition ()Z
	METHOD c setCanSwim (Z)V
		ARG 0 value
	METHOD d tick ()V
	METHOD g canSwim ()Z