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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_AvailableMemoryTracker_h
+#define mozilla_AvailableMemoryTracker_h
+
+namespace mozilla {
+namespace AvailableMemoryTracker {
+
+// The AvailableMemoryTracker launches a memory pressure watcher on all
+// platforms to react to low-memory situations and on Windows it implements
+// the full functionality used to monitor how much memory is available.
+//
+// Init() requires the observer service to be already available so cannot be
+// called too early during initialization.
+
+void Init();
+
+} // namespace AvailableMemoryTracker
+} // namespace mozilla
+
+#endif // ifndef mozilla_AvailableMemoryTracker_h