structures = schema.getSimpletypes();
structures = schema.getSimpleTypes();
    private void createClasses(Schema schema, SGStateInfo sInfo) {        Enumeration structures = schema.getElementDecls();        //-- handle all top-level element declarations        while (structures.hasMoreElements())            createClasses((ElementDecl)structures.nextElement(), sInfo);        //-- handle all top-level complextypes        structures = schema.getComplextypes();        while (structures.hasMoreElements())            processComplextype((Complextype)structures.nextElement(), sInfo);        //-- handle all top-level simpletypes        structures = schema.getSimpletypes();        while (structures.hasMoreElements())            processSimpletype((Simpletype)structures.nextElement(), sInfo);    } //-- createClasses