// Copyright 2020 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
library test.placeholders;

@discoverable
protocol Echo {
    EchoString(struct {
        value string:<2048, optional>;
    }) -> (struct {
        response string:<2048, optional>;
    });
};