diff -r 000000000000 -r 6474c204b198 mobile/android/base/sync/EngineSettings.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mobile/android/base/sync/EngineSettings.java	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,31 @@
+/* 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/. */
+
+package org.mozilla.gecko.sync;
+
+public class EngineSettings {
+  public final String syncID;
+  public final int version;
+
+  public EngineSettings(final String syncID, final int version) {
+    this.syncID = syncID;
+    this.version = version;
+  }
+
+  public EngineSettings(ExtendedJSONObject object) {
+    try {
+      this.syncID = object.getString("syncID");
+      this.version = object.getIntegerSafely("version").intValue();
+    } catch (Exception e ) {
+      throw new IllegalArgumentException(e);
+    }
+  }
+
+  public ExtendedJSONObject toJSONObject() {
+    ExtendedJSONObject json = new ExtendedJSONObject();
+    json.put("syncID", syncID);
+    json.put("version", version);
+    return json;
+  }
+}