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diff --git a/brillo/imageloader/manifest.h b/brillo/imageloader/manifest.h
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+++ b/brillo/imageloader/manifest.h
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+// Copyright 2018 The Chromium OS Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef LIBBRILLO_BRILLO_IMAGELOADER_MANIFEST_H_
+#define LIBBRILLO_BRILLO_IMAGELOADER_MANIFEST_H_
+
+#include <map>
+#include <string>
+#include <vector>
+
+#include <base/macros.h>
+#include <brillo/brillo_export.h>
+
+namespace brillo {
+namespace imageloader {
+
+// The supported file systems for images.
+enum class FileSystem { kExt4, kSquashFS };
+
+// A class to parse and store imageloader.json manifest.
+class BRILLO_EXPORT Manifest {
+ public:
+  Manifest();
+  // Parse the manifest raw string. Return true if successful.
+  bool ParseManifest(const std::string& manifest_raw);
+  // Getters for manifest fields:
+  int manifest_version() const;
+  const std::vector<uint8_t>& image_sha256() const;
+  const std::vector<uint8_t>& table_sha256() const;
+  const std::string& version() const;
+  FileSystem fs_type() const;
+  bool is_removable() const;
+  const std::map<std::string, std::string> metadata() const;
+
+ private:
+  // Manifest fields:
+  int manifest_version_;
+  std::vector<uint8_t> image_sha256_;
+  std::vector<uint8_t> table_sha256_;
+  std::string version_;
+  FileSystem fs_type_;
+  bool is_removable_;
+  std::map<std::string, std::string> metadata_;
+
+  DISALLOW_COPY_AND_ASSIGN(Manifest);
+};
+
+}  // namespace imageloader
+}  // namespace brillo
+
+#endif  // LIBBRILLO_BRILLO_IMAGELOADER_MANIFEST_H_