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diff --git a/mobile/android/thirdparty/ch/boye/httpclientandroidlib/annotation/ThreadSafe.java b/mobile/android/thirdparty/ch/boye/httpclientandroidlib/annotation/ThreadSafe.java
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+++ b/mobile/android/thirdparty/ch/boye/httpclientandroidlib/annotation/ThreadSafe.java
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+/*
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+package ch.boye.httpclientandroidlib.annotation;
+
+import java.lang.annotation.Documented;
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * The class to which this annotation is applied is thread-safe.  This means that
+ * no sequences of accesses (reads and writes to public fields, calls to public methods)
+ * may put the object into an invalid state, regardless of the interleaving of those actions
+ * by the runtime, and without requiring any additional synchronization or coordination on the
+ * part of the caller.
+ * @see NotThreadSafe
+ * <p>
+ * Based on code developed by Brian Goetz and Tim Peierls and concepts
+ * published in 'Java Concurrency in Practice' by Brian Goetz, Tim Peierls,
+ * Joshua Bloch, Joseph Bowbeer, David Holmes and Doug Lea.
+ */
+@Documented
+@Target(ElementType.TYPE)
+@Retention(RetentionPolicy.CLASS) // The original version used RUNTIME
+public @interface ThreadSafe {
+}