public Optional<Function<Object, TypedValue>> getter(String name, ConfigRegistry config) {
        return Optional.ofNullable(NULLARY_METHOD_CACHE.get(obj.getClass(), config).get(name));
    }
@param prefix an optional prefix (we insert a '.' as a separator)
@param object the object to bind functions on
core/src/main/java/org/jdbi/v3/core/argument/ObjectMethodArguments.java