public static void doit(SIRStructure[] structs, StreamGraph sg, String dir)
public static void doit(SIRStructure[] structs, StreamGraph sg)
    public static void doit(SIRStructure[] structs, StreamGraph sg, String dir)     {	if (structs.length == 0) 	    return;		new StructureIncludeFile(structs, sg, dir);    }