diff --git a/Utils.h b/Utils.h
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--- /dev/null
+++ b/Utils.h
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+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_VOLD_UTILS_H
+#define ANDROID_VOLD_UTILS_H
+
+#include <utils/Errors.h>
+
+#include <string>
+
+// DISALLOW_COPY_AND_ASSIGN disallows the copy and operator= functions. It goes in the private:
+// declarations in a class.
+#if !defined(DISALLOW_COPY_AND_ASSIGN)
+#define DISALLOW_COPY_AND_ASSIGN(TypeName) \
+    TypeName(const TypeName&) = delete;  \
+    void operator=(const TypeName&) = delete
+#endif
+
+namespace android {
+namespace vold {
+
+status_t CreateDeviceNode(const std::string& path, dev_t dev);
+status_t DestroyDeviceNode(const std::string& path);
+
+/* Really unmounts the path, killing active processes along the way */
+status_t ForceUnmount(const std::string& path);
+
+}  // namespace vold
+}  // namespace android
+
+#endif