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diff --git a/src/com/google/gson/LongSerializationPolicy.java b/src/com/google/gson/LongSerializationPolicy.java
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+++ b/src/com/google/gson/LongSerializationPolicy.java
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+/*
+ * Copyright (C) 2009 Google Inc.
+ *
+ * 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.
+ */
+
+package com.google.gson;
+
+/**
+ * Defines the expected format for a {@code long} or {@code Long} type when its serialized.
+ *
+ * @since 1.3
+ *
+ * @author Inderjeet Singh
+ * @author Joel Leitch
+ */
+public enum LongSerializationPolicy {
+  /**
+   * This is the "default" serialization policy that will output a {@code long} object as a JSON
+   * number.  For example, assume an object has a long field named "f" then the serialized output
+   * would be:
+   * {@code {"f":123}}.
+   */
+  DEFAULT() {
+    public JsonElement serialize(Long value) {
+      return new JsonPrimitive(value);
+    }
+  },
+  
+  /**
+   * Serializes a long value as a quoted string.  For example, assume an object has a long field 
+   * named "f" then the serialized output would be:
+   * {@code {"f":"123"}}.
+   */
+  STRING() {
+    public JsonElement serialize(Long value) {
+      return new JsonPrimitive(String.valueOf(value));
+    }
+  };
+  
+  /**
+   * Serialize this {@code value} using this serialization policy.
+   *
+   * @param value the long value to be serialized into a {@link JsonElement}
+   * @return the serialized version of {@code value}
+   */
+  public abstract JsonElement serialize(Long value);
+}