-record(custom_codec, {
    type_name :: binary(),
    module_path :: binary(),
    encode :: fun((builder@context:build_context(), glance:type(), binary(), builder@module:module_(), builder@module:module_()) -> sara@json:generated_code()),
    decode :: fun((builder@context:build_context(), glance:type(), builder@module:module_(), builder@module:module_()) -> sara@json:generated_code()),
    zero :: fun((builder@context:build_context(), glance:type(), builder@module:module_(), builder@module:module_()) -> {ok,
            sara@json:generated_code()} |
        {error, nil})
}).