private MethodSpec construct2_UpdateWhere() {
        return MethodSpec.constructorBuilder()
            .addModifiers(Modifier.PRIVATE)
            .addParameter(fluent.updater(), "updater")
            .addParameter(fluent.updateWhere(), "where")
            .addStatement("super(updater, where)")
            .build();
    }
private UpdateWhere(AddressUpdate update, UpdateWhere where)

@return MethodSpec
fluent-mybatis-processor/src/main/java/cn/org/atool/fluent/processor/mybatis/filer/segment/SegmentFiler.java