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diff --git a/brillo/variant_dictionary.h b/brillo/variant_dictionary.h
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+++ b/brillo/variant_dictionary.h
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+// Copyright 2014 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 LIBCHROMEOS_BRILLO_VARIANT_DICTIONARY_H_
+#define LIBCHROMEOS_BRILLO_VARIANT_DICTIONARY_H_
+
+#include <map>
+#include <string>
+
+#include <brillo/any.h>
+#include <brillo/brillo_export.h>
+
+namespace brillo {
+
+using VariantDictionary = std::map<std::string, brillo::Any>;
+
+// GetVariantValueOrDefault tries to retrieve the named key from the dictionary
+// and convert it to the type T.  If the value does not exist, or the type
+// conversion fails, the default value of type T is returned.
+template<typename T>
+const T GetVariantValueOrDefault(const VariantDictionary& dictionary,
+                                 const std::string& key) {
+  VariantDictionary::const_iterator it = dictionary.find(key);
+  if (it == dictionary.end()) {
+    return T();
+  }
+  return it->second.TryGet<T>();
+}
+
+}  // namespace brillo
+
+#endif  // LIBCHROMEOS_BRILLO_VARIANT_DICTIONARY_H_