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<h1 class="title">main.cpp Example File</h1>
<span class="small-subtitle">querymessages/main.cpp</span>
<!-- $$$querymessages/main.cpp-description -->
<div class="descr"> <a name="details"></a>
<pre class="cpp"> <span class="comment">/****************************************************************************
 **
 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
 ** This file is part of the examples of the Qt Mobility Components.
 **
 ** $QT_BEGIN_LICENSE:BSD$
 ** You may use this file under the terms of the BSD license as follows:
 **
 ** &quot;Redistribution and use in source and binary forms, with or without
 ** modification, are permitted provided that the following conditions are
 ** met:
 **   * Redistributions of source code must retain the above copyright
 **     notice, this list of conditions and the following disclaimer.
 **   * Redistributions in binary form must reproduce the above copyright
 **     notice, this list of conditions and the following disclaimer in
 **     the documentation and/or other materials provided with the
 **     distribution.
 **   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
 **     the names of its contributors may be used to endorse or promote
 **     products derived from this software without specific prior written
 **     permission.
 **
 ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 ** &quot;AS IS&quot; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.&quot;
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/</span>

 <span class="preprocessor">#include &lt;QCoreApplication&gt;</span>
 <span class="preprocessor">#include &lt;qmessagemanager.h&gt;</span>
 <span class="preprocessor">#include &lt;qdebug.h&gt;</span>
 <span class="preprocessor">#include &lt;QMap&gt;</span>
 <span class="preprocessor">#ifdef Q_OS_SYMBIAN</span>
 <span class="preprocessor">#include &lt;iostream&gt;</span>
 <span class="preprocessor">#endif</span>

 QTM_USE_NAMESPACE

 <span class="keyword">static</span> <span class="type">void</span> printMessage(<span class="keyword">const</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qstring.html">QString</a></span><span class="operator">&amp;</span> msg)
 {
 <span class="preprocessor">#ifdef Q_OS_SYMBIAN</span>
     std<span class="operator">::</span>cout <span class="operator">&lt;</span><span class="operator">&lt;</span> <a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qPrintable">qPrintable</a>(msg) <span class="operator">&lt;</span><span class="operator">&lt;</span> std<span class="operator">::</span>endl;
 <span class="preprocessor">#else</span>
     <a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qDebug">qDebug</a>() <span class="operator">&lt;</span><span class="operator">&lt;</span> <a href="http://qt.nokia.com/doc/4.7/qtglobal.html#qPrintable">qPrintable</a>(msg);
 <span class="preprocessor">#endif</span>
 }

 <span class="type">void</span> usage()
 {
     <span class="type"><a href="http://qt.nokia.com/doc/4.7/qstring.html">QString</a></span> msg(<span class="string">&quot;Usage: [&lt;options&gt;] [&lt;datafields&gt;]\n&quot;</span>
                   <span class="string">&quot; Where &lt;options&gt; limit the types of messages shown, valid choices: -all, -sms, -mms, -email, -instantmessage, -incoming, -read, -inboxfolder, -draftsfolder, -outboxfolder, -sentfolder, -trashfolder\n&quot;</span>
                   <span class="string">&quot;         To join options by logical OR use +, for option, eg \&quot;+sms +mms\&quot; will return sms OR mms messages\n&quot;</span>
                   <span class="string">&quot; Where &lt;datafields&gt; specify what fields to print from matched messages, valid choices are: subject, date, receivedDate, status, size, priority, to, cc, bcc, from, type, body, attachments&quot;</span>);
     printMessage(msg);
 }

 <span class="comment">// create message filter as requested by command line options</span>
 <span class="type"><a href="qmessagefilter.html">QMessageFilter</a></span> createFilter(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qstringlist.html">QStringList</a></span> args)
 {
     <span class="type"><a href="qmessagefilter.html">QMessageFilter</a></span> filter(<span class="type"><a href="qmessagefilter.html">QMessageFilter</a></span><span class="operator">::</span>byStatus(<span class="type"><a href="qmessage.html">QMessage</a></span><span class="operator">::</span>Incoming));
     <span class="type"><a href="qmessagefilter.html">QMessageFilter</a></span> customfilter;
     <span class="type">bool</span> setCustomFilter <span class="operator">=</span> <span class="keyword">false</span>;
     <span class="type"><a href="http://qt.nokia.com/doc/4.7/qmap.html">QMap</a></span><span class="operator">&lt;</span><span class="type"><a href="http://qt.nokia.com/doc/4.7/qstring.html">QString</a></span><span class="operator">,</span> <span class="type"><a href="qmessagefilter.html">QMessageFilter</a></span><span class="operator">&gt;</span> filterMap;
     filterMap<span class="operator">.</span>insert(QLatin1String(<span class="string">&quot;all&quot;</span>)<span class="operator">,</span> <span class="type"><a href="qmessagefilter.html">QMessageFilter</a></span>());
     filterMap<span class="operator">.</span>insert(QLatin1String(<span class="string">&quot;sms&quot;</span>)<span class="operator">,</span> <span class="type"><a href="qmessagefilter.html">QMessageFilter</a></span><span class="operator">::</span>byType(<span class="type"><a href="qmessage.html">QMessage</a></span><span class="operator">::</span>Sms));
     filterMap<span class="operator">.</span>insert(QLatin1String(<span class="string">&quot;mms&quot;</span>)<span class="operator">,</span> <span class="type"><a href="qmessagefilter.html">QMessageFilter</a></span><span class="operator">::</span>byType(<span class="type"><a href="qmessage.html">QMessage</a></span><span class="operator">::</span>Mms));
     filterMap<span class="operator">.</span>insert(QLatin1String(<span class="string">&quot;email&quot;</span>)<span class="operator">,</span> <span class="type"><a href="qmessagefilter.html">QMessageFilter</a></span><span class="operator">::</span>byType(<span class="type"><a href="qmessage.html">QMessage</a></span><span class="operator">::</span>Email));
     filterMap<span class="operator">.</span>insert(QLatin1String(<span class="string">&quot;instantmessage&quot;</span>)<span class="operator">,</span> <span class="type"><a href="qmessagefilter.html">QMessageFilter</a></span><span class="operator">::</span>byType(<span class="type"><a href="qmessage.html">QMessage</a></span><span class="operator">::</span>InstantMessage));
     filterMap<span class="operator">.</span>insert(QLatin1String(<span class="string">&quot;incoming&quot;</span>)<span class="operator">,</span> <span class="type"><a href="qmessagefilter.html">QMessageFilter</a></span><span class="operator">::</span>byStatus(<span class="type"><a href="qmessage.html">QMessage</a></span><span class="operator">::</span>Incoming));
     filterMap<span class="operator">.</span>insert(QLatin1String(<span class="string">&quot;read&quot;</span>)<span class="operator">,</span> <span class="type"><a href="qmessagefilter.html">QMessageFilter</a></span><span class="operator">::</span>byStatus(<span class="type"><a href="qmessage.html">QMessage</a></span><span class="operator">::</span>Read));
     filterMap<span class="operator">.</span>insert(QLatin1String(<span class="string">&quot;inboxfolder&quot;</span>)<span class="operator">,</span> <span class="type"><a href="qmessagefilter.html">QMessageFilter</a></span><span class="operator">::</span>byStandardFolder(<span class="type"><a href="qmessage.html">QMessage</a></span><span class="operator">::</span>InboxFolder));
     filterMap<span class="operator">.</span>insert(QLatin1String(<span class="string">&quot;draftsfolder&quot;</span>)<span class="operator">,</span> <span class="type"><a href="qmessagefilter.html">QMessageFilter</a></span><span class="operator">::</span>byStandardFolder(<span class="type"><a href="qmessage.html">QMessage</a></span><span class="operator">::</span>DraftsFolder));
     filterMap<span class="operator">.</span>insert(QLatin1String(<span class="string">&quot;outboxfolder&quot;</span>)<span class="operator">,</span> <span class="type"><a href="qmessagefilter.html">QMessageFilter</a></span><span class="operator">::</span>byStandardFolder(<span class="type"><a href="qmessage.html">QMessage</a></span><span class="operator">::</span>OutboxFolder));
     filterMap<span class="operator">.</span>insert(QLatin1String(<span class="string">&quot;sentfolder&quot;</span>)<span class="operator">,</span> <span class="type"><a href="qmessagefilter.html">QMessageFilter</a></span><span class="operator">::</span>byStandardFolder(<span class="type"><a href="qmessage.html">QMessage</a></span><span class="operator">::</span>SentFolder));
     filterMap<span class="operator">.</span>insert(QLatin1String(<span class="string">&quot;trashfolder&quot;</span>)<span class="operator">,</span> <span class="type"><a href="qmessagefilter.html">QMessageFilter</a></span><span class="operator">::</span>byStandardFolder(<span class="type"><a href="qmessage.html">QMessage</a></span><span class="operator">::</span>TrashFolder));

     <span class="comment">// process command line options after the application name</span>
     foreach (<span class="keyword">const</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qstring.html">QString</a></span> <span class="operator">&amp;</span>arg<span class="operator">,</span> args<span class="operator">.</span>mid(<span class="number">1</span>)){
         <span class="type"><a href="http://qt.nokia.com/doc/4.7/qmap.html">QMap</a></span><span class="operator">&lt;</span><span class="type"><a href="http://qt.nokia.com/doc/4.7/qstring.html">QString</a></span><span class="operator">,</span> <span class="type"><a href="qmessagefilter.html">QMessageFilter</a></span><span class="operator">&gt;</span><span class="operator">::</span>const_iterator iterator <span class="operator">=</span> filterMap<span class="operator">.</span>find(arg<span class="operator">.</span>toLower()<span class="operator">.</span>mid(<span class="number">1</span>));
         <span class="keyword">if</span> (iterator <span class="operator">!</span><span class="operator">=</span> filterMap<span class="operator">.</span>end()){
             setCustomFilter <span class="operator">=</span> <span class="keyword">true</span>;
             <span class="comment">// use AND logic when compounding filter?</span>
             <span class="keyword">if</span> (arg<span class="operator">[</span><span class="number">0</span><span class="operator">]</span> <span class="operator">=</span><span class="operator">=</span> <span class="char">'-'</span> )
                 customfilter <span class="operator">=</span> customfilter <span class="operator">&amp;</span> iterator<span class="operator">.</span>value();
             <span class="keyword">else</span>
                 customfilter <span class="operator">=</span> customfilter <span class="operator">|</span> iterator<span class="operator">.</span>value();
         }
     }

     <span class="keyword">if</span> (setCustomFilter)
         filter <span class="operator">=</span> customfilter;

     <span class="keyword">return</span> filter;
 }

 <span class="type">int</span> main(<span class="type">int</span> argc<span class="operator">,</span> <span class="type">char</span> <span class="operator">*</span>argv<span class="operator">[</span><span class="operator">]</span>)
 {
     <span class="type"><a href="http://qt.nokia.com/doc/4.7/qcoreapplication.html">QCoreApplication</a></span> app(argc<span class="operator">,</span> argv);

     printMessage(<span class="string">&quot;Querying messages...&quot;</span>);

     <span class="comment">// determine what data options were requested and if help was requested</span>
     <span class="comment">// if no data options were provided default to &quot;subject&quot;</span>
     <span class="type"><a href="http://qt.nokia.com/doc/4.7/qstringlist.html">QStringList</a></span> dataOptions;
     <span class="type"><a href="http://qt.nokia.com/doc/4.7/qstringlist.html">QStringList</a></span> validDataOptions <span class="operator">=</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qstringlist.html">QStringList</a></span>() <span class="operator">&lt;</span><span class="operator">&lt;</span> <span class="string">&quot;subject&quot;</span> <span class="operator">&lt;</span><span class="operator">&lt;</span> <span class="string">&quot;date&quot;</span> <span class="operator">&lt;</span><span class="operator">&lt;</span> <span class="string">&quot;receivedDate&quot;</span> <span class="operator">&lt;</span><span class="operator">&lt;</span> <span class="string">&quot;status&quot;</span>
                     <span class="operator">&lt;</span><span class="operator">&lt;</span> <span class="string">&quot;size&quot;</span> <span class="operator">&lt;</span><span class="operator">&lt;</span> <span class="string">&quot;priority&quot;</span> <span class="operator">&lt;</span><span class="operator">&lt;</span> <span class="string">&quot;to&quot;</span> <span class="operator">&lt;</span><span class="operator">&lt;</span> <span class="string">&quot;cc&quot;</span> <span class="operator">&lt;</span><span class="operator">&lt;</span> <span class="string">&quot;bcc&quot;</span> <span class="operator">&lt;</span><span class="operator">&lt;</span> <span class="string">&quot;from&quot;</span>
                     <span class="operator">&lt;</span><span class="operator">&lt;</span> <span class="string">&quot;type&quot;</span> <span class="operator">&lt;</span><span class="operator">&lt;</span> <span class="string">&quot;body&quot;</span> <span class="operator">&lt;</span><span class="operator">&lt;</span> <span class="string">&quot;attachments&quot;</span>;
     foreach (<span class="keyword">const</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qstring.html">QString</a></span> <span class="operator">&amp;</span>arg<span class="operator">,</span> app<span class="operator">.</span>arguments()){
         <span class="keyword">if</span> (arg <span class="operator">=</span><span class="operator">=</span> <span class="string">&quot;-help&quot;</span>){
             usage();
             exit(<span class="number">1</span>);
         }
         <span class="keyword">if</span> (validDataOptions<span class="operator">.</span>contains(arg))
             dataOptions<span class="operator">.</span>append(arg);
     }
     <span class="keyword">if</span> (dataOptions<span class="operator">.</span>isEmpty())
         dataOptions<span class="operator">.</span>append(<span class="string">&quot;subject&quot;</span>);

     <span class="comment">// Create filter to match required messages</span>
     <span class="type"><a href="qmessagefilter.html">QMessageFilter</a></span> filter <span class="operator">=</span> createFilter(app<span class="operator">.</span>arguments());
     <span class="comment">// instead of the above use the following for a simple filter of all messages whose status field have the Incoming flag to be set, eg incoming emails</span>
     <span class="comment">//QMessageFilter filter(QMessageFilter::byStatus(QMessage::Incoming));</span>

     <span class="comment">// Order the matching results by their reception timestamp, in descending order</span>
     <span class="type"><a href="qmessagesortorder.html">QMessageSortOrder</a></span> sortOrder(<span class="type"><a href="qmessagesortorder.html">QMessageSortOrder</a></span><span class="operator">::</span>byReceptionTimeStamp(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qt.html">Qt</a></span><span class="operator">::</span>DescendingOrder));

     <span class="comment">// Acquire a handle to the message manager</span>
     <span class="type"><a href="qmessagemanager.html">QMessageManager</a></span> manager;

     <span class="comment">// Find the matching message IDs, limiting our results to a managable number</span>
     <span class="keyword">const</span> <span class="type">int</span> max <span class="operator">=</span> <span class="number">100</span>;
     <span class="keyword">const</span> <span class="type">QMessageIdList</span> matchingIds(manager<span class="operator">.</span>queryMessages(filter<span class="operator">,</span> sortOrder<span class="operator">,</span> max));

     <span class="type">int</span> n <span class="operator">=</span> <span class="number">0</span>;

     <span class="comment">// Retrieve each message and print requested details</span>
     foreach (<span class="keyword">const</span> <span class="type"><a href="qmessageid.html">QMessageId</a></span> <span class="operator">&amp;</span>id<span class="operator">,</span> matchingIds) {
         <span class="type"><a href="qmessage.html">QMessage</a></span> message(manager<span class="operator">.</span>message(id));

         <span class="keyword">if</span> (manager<span class="operator">.</span>error() <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="qmessagemanager.html">QMessageManager</a></span><span class="operator">::</span>NoError) {
             <span class="type"><a href="http://qt.nokia.com/doc/4.7/qstringlist.html">QStringList</a></span> result;

             <span class="comment">// Extract the requested data items from this message</span>
             foreach (<span class="keyword">const</span> <span class="type"><a href="http://qt.nokia.com/doc/4.7/qstring.html">QString</a></span> <span class="operator">&amp;</span>arg<span class="operator">,</span> dataOptions) {
                 <span class="keyword">if</span> (arg <span class="operator">=</span><span class="operator">=</span> <span class="string">&quot;subject&quot;</span>) {
                     result<span class="operator">.</span>append(message<span class="operator">.</span>subject());
                 } <span class="keyword">else</span> <span class="keyword">if</span> (arg <span class="operator">=</span><span class="operator">=</span> <span class="string">&quot;date&quot;</span>) {
                     result<span class="operator">.</span>append(message<span class="operator">.</span>date()<span class="operator">.</span>toLocalTime()<span class="operator">.</span>toString());
                 } <span class="keyword">else</span> <span class="keyword">if</span> (arg <span class="operator">=</span><span class="operator">=</span> <span class="string">&quot;receivedDate&quot;</span>) {
                     result<span class="operator">.</span>append(message<span class="operator">.</span>receivedDate()<span class="operator">.</span>toLocalTime()<span class="operator">.</span>toString());
                 } <span class="keyword">else</span> <span class="keyword">if</span> (arg <span class="operator">=</span><span class="operator">=</span> <span class="string">&quot;size&quot;</span>) {
                     result<span class="operator">.</span>append(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qstring.html">QString</a></span><span class="operator">::</span>number(message<span class="operator">.</span>size()));
                 } <span class="keyword">else</span> <span class="keyword">if</span> (arg <span class="operator">=</span><span class="operator">=</span> <span class="string">&quot;priority&quot;</span>) {
                         result<span class="operator">.</span>append(message<span class="operator">.</span>priority() <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="qmessage.html">QMessage</a></span><span class="operator">::</span>HighPriority <span class="operator">?</span> <span class="string">&quot;High&quot;</span> : (message<span class="operator">.</span>priority() <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="qmessage.html">QMessage</a></span><span class="operator">::</span>LowPriority <span class="operator">?</span> <span class="string">&quot;Low&quot;</span> : <span class="string">&quot;Normal&quot;</span>));
                 } <span class="keyword">else</span> <span class="keyword">if</span> ((arg <span class="operator">=</span><span class="operator">=</span> <span class="string">&quot;to&quot;</span>) <span class="operator">|</span><span class="operator">|</span> (arg <span class="operator">=</span><span class="operator">=</span> <span class="string">&quot;cc&quot;</span>) <span class="operator">|</span><span class="operator">|</span> (arg <span class="operator">=</span><span class="operator">=</span> <span class="string">&quot;bcc&quot;</span>)) {
                     <span class="type"><a href="http://qt.nokia.com/doc/4.7/qstringlist.html">QStringList</a></span> addresses;
                     foreach (<span class="keyword">const</span> <span class="type"><a href="qmessageaddress.html">QMessageAddress</a></span> <span class="operator">&amp;</span>addr<span class="operator">,</span> (arg <span class="operator">=</span><span class="operator">=</span> <span class="string">&quot;to&quot;</span> <span class="operator">?</span> message<span class="operator">.</span>to() : (arg <span class="operator">=</span><span class="operator">=</span> <span class="string">&quot;cc&quot;</span> <span class="operator">?</span> message<span class="operator">.</span>cc() : message<span class="operator">.</span>bcc()))) {
                         addresses<span class="operator">.</span>append(addr<span class="operator">.</span>addressee());
                     }
                     result<span class="operator">.</span>append(addresses<span class="operator">.</span>join(<span class="string">&quot;,&quot;</span>));
                 } <span class="keyword">else</span> <span class="keyword">if</span> (arg <span class="operator">=</span><span class="operator">=</span> <span class="string">&quot;from&quot;</span>) {
                     result<span class="operator">.</span>append(message<span class="operator">.</span>from()<span class="operator">.</span>addressee());
                 } <span class="keyword">else</span> <span class="keyword">if</span> (arg <span class="operator">=</span><span class="operator">=</span> <span class="string">&quot;type&quot;</span>) {
                     result<span class="operator">.</span>append(message<span class="operator">.</span>contentType() <span class="operator">+</span> <span class="char">'/'</span> <span class="operator">+</span> message<span class="operator">.</span>contentSubType());
                 } <span class="keyword">else</span> <span class="keyword">if</span> (arg <span class="operator">=</span><span class="operator">=</span> <span class="string">&quot;body&quot;</span>) {
                     result<span class="operator">.</span>append(message<span class="operator">.</span>find(message<span class="operator">.</span>bodyId())<span class="operator">.</span>textContent());
                 } <span class="keyword">else</span> <span class="keyword">if</span> (arg <span class="operator">=</span><span class="operator">=</span> <span class="string">&quot;status&quot;</span>) {
                     result<span class="operator">.</span>append(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qstring.html">QString</a></span><span class="operator">::</span>number(message<span class="operator">.</span>status()));
                 } <span class="keyword">else</span> <span class="keyword">if</span> (arg <span class="operator">=</span><span class="operator">=</span> <span class="string">&quot;attachments&quot;</span>) {
                     <span class="type"><a href="http://qt.nokia.com/doc/4.7/qstringlist.html">QStringList</a></span> fileNames;
                     foreach (<span class="keyword">const</span> <span class="type"><a href="qmessagecontentcontainerid.html">QMessageContentContainerId</a></span> <span class="operator">&amp;</span>id<span class="operator">,</span> message<span class="operator">.</span>attachmentIds()) {
                         fileNames<span class="operator">.</span>append(message<span class="operator">.</span>find(id)<span class="operator">.</span>suggestedFileName());
                     }
                     result<span class="operator">.</span>append(fileNames<span class="operator">.</span>join(<span class="string">&quot;,&quot;</span>));
                 }
             }

             printMessage(<span class="type"><a href="http://qt.nokia.com/doc/4.7/qstring.html">QString</a></span><span class="operator">::</span>number(<span class="operator">+</span><span class="operator">+</span>n) <span class="operator">+</span> <span class="char">'\t'</span> <span class="operator">+</span> result<span class="operator">.</span>join(<span class="string">&quot;\t&quot;</span>));
         }
     }

     <span class="keyword">if</span>(matchingIds<span class="operator">.</span>isEmpty())
         printMessage(<span class="string">&quot;No matching messages!&quot;</span>);

     <span class="keyword">return</span> <span class="number">0</span>;
 }</pre>
</div>
<!-- @@@querymessages/main.cpp -->
  <div class="ft">
    <span></span>
  </div>
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