private static String getGeneratedClassName(Class<?> extensionType) {
        return extensionType.getPackage().getName() + "." + extensionType.getSimpleName() + "Impl";
    }
Attach a sql object from a jdbi generator created class.

@param extensionType  the type of sql object to create.
@param handleSupplier the Handle instance to attach this sql object to.
@return the new sql object bound to this handle.
sqlobject/src/main/java/org/jdbi/v3/sqlobject/GeneratorSqlObjectFactory.java