public static List explode(NodeFactory nf, TypeSystem ts, String name, Position pos, Flags flags, AmbExpr[] vars) { return explode(nf, ts, name, pos, flags, vars, null);
public List explode(NodeFactory nf, TypeSystem ts) { return explode(nf, ts, name(), position(), flags(), vars, localInstance(), lis);
	public static List/*<Stmt>*/ explode(NodeFactory nf, TypeSystem ts,										 String name, Position pos,										 Flags flags, AmbExpr[] vars)	{		return explode(nf, ts, name, pos, flags, vars, null);	}