void createEmptyStructs() {
                for (var typeconf : docTypeConfig.structtype()) {
                    if (isPositionStruct(typeconf)) {
                        int geoVersion = usev8geopositions ? 8 : 7;
                        addNewType(typeconf.idx(), new GeoPosType(geoVersion));
                    } else {
                        addNewType(typeconf.idx(), new StructDataType(typeconf.name()));
                    }
                }
            }
One-shot configuration; should be called on a newly constructed manager
document/src/main/java/com/yahoo/document/DocumentTypeManagerConfigurer.java