diff --git a/tools/get/discover-version.hpp b/tools/get/discover-version.hpp
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+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2016-2025, Regents of the University of California,
+ *                          Colorado State University,
+ *                          University Pierre & Marie Curie, Sorbonne University.
+ *
+ * This file is part of ndn-tools (Named Data Networking Essential Tools).
+ * See AUTHORS.md for complete list of ndn-tools authors and contributors.
+ *
+ * ndn-tools is free software: you can redistribute it and/or modify it under the terms
+ * of the GNU General Public License as published by the Free Software Foundation,
+ * either version 3 of the License, or (at your option) any later version.
+ *
+ * ndn-tools is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ * PURPOSE.  See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * ndn-tools, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * See AUTHORS.md for complete list of ndn-cxx authors and contributors.
+ *
+ * @author Wentao Shang
+ * @author Steve DiBenedetto
+ * @author Andrea Tosatto
+ * @author Chavoosh Ghasemi
+ */
+
+#ifndef NDN_TOOLS_GET_DISCOVER_VERSION_HPP
+#define NDN_TOOLS_GET_DISCOVER_VERSION_HPP
+
+#include "options.hpp"
+
+#include <ndn-cxx/face.hpp>
+#include <ndn-cxx/util/signal.hpp>
+
+namespace ndn::get {
+
+class DataFetcher;
+
+/**
+ * @brief Service for discovering the latest Data version.
+ *
+ * DiscoverVersion's user is notified once after identifying the latest retrievable version or
+ * on failure to find any Data version.
+ */
+class DiscoverVersion
+{
+public:
+  DiscoverVersion(Face& face, const Name& prefix, const Options& options);
+
+  /**
+   * @brief Signal emitted when the versioned name of Data is found.
+   */
+  signal::Signal<DiscoverVersion, Name> onDiscoverySuccess;
+
+  /**
+   * @brief Signal emitted when a failure occurs.
+   */
+  signal::Signal<DiscoverVersion, std::string> onDiscoveryFailure;
+
+  void
+  run();
+
+private:
+  void
+  handleData(const Interest& interest, const Data& data);
+
+private:
+  Face& m_face;
+  const Name m_prefix;
+  const Options& m_options;
+  std::shared_ptr<DataFetcher> m_fetcher;
+};
+
+} // namespace ndn::get
+
+#endif // NDN_TOOLS_GET_DISCOVER_VERSION_HPP