tools/widget_explorer/packages/widget_explorer_meta/lib/src/height_param.dart

// Copyright 2017 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.

class _HeightParam {
  const _HeightParam();
}

/// An annotation to specify that a parameter is meant to be the height, and
/// thus should be associated with the height controller value of the gallery
/// page.
///
/// This annotation must not be used with the `@sizeParam` annotation.
const _HeightParam heightParam = const _HeightParam();