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diff --git a/mobile/android/thirdparty/ch/boye/httpclientandroidlib/HttpRequestInterceptor.java b/mobile/android/thirdparty/ch/boye/httpclientandroidlib/HttpRequestInterceptor.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;
+
+import java.io.IOException;
+
+import ch.boye.httpclientandroidlib.protocol.HttpContext;
+
+/**
+ * HTTP protocol interceptor is a routine that implements a specific aspect of
+ * the HTTP protocol. Usually protocol interceptors are expected to act upon
+ * one specific header or a group of related headers of the incoming message
+ * or populate the outgoing message with one specific header or a group of
+ * related headers.
+ * <p>
+ *  Protocol Interceptors can also manipulate content entities enclosed with messages.
+ * Usually this is accomplished by using the 'Decorator' pattern where a wrapper
+ * entity class is used to decorate the original entity.
+ * <p>
+ * Protocol interceptors must be implemented as thread-safe. Similarly to
+ * servlets, protocol interceptors should not use instance variables unless
+ * access to those variables is synchronized.
+ *
+ * @since 4.0
+ */
+public interface HttpRequestInterceptor {
+
+    /**
+     * Processes a request.
+     * On the client side, this step is performed before the request is
+     * sent to the server. On the server side, this step is performed
+     * on incoming messages before the message body is evaluated.
+     *
+     * @param request   the request to preprocess
+     * @param context   the context for the request
+     *
+     * @throws HttpException in case of an HTTP protocol violation
+     * @throws IOException in case of an I/O error
+     */
+    void process(HttpRequest request, HttpContext context)
+        throws HttpException, IOException;
+
+}