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374 lines
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<title>XZArchive Class Reference</title>
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<a title="XZArchive Class Reference"></a>
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SWCompression Docs
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(100% documented)
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<a class="breadcrumb" href="../index.html">SWCompression Reference</a>
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XZArchive Class Reference
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<a class="nav-group-task-link" href="../Classes/BZip2/BlockSize.html">– BlockSize</a>
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<a class="nav-group-task-link" href="../Classes/GzipArchive.html">GzipArchive</a>
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<a class="nav-group-task-link" href="../Classes/GzipArchive/Member.html">– Member</a>
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<a class="nav-group-task-link" href="../Structs/GzipHeader.html">GzipHeader</a>
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<a class="nav-group-task-link" href="../Classes/XZArchive.html">XZArchive</a>
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<li class="nav-group-task">
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<a class="nav-group-task-link" href="../Classes/ZlibArchive.html">ZlibArchive</a>
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<a class="nav-group-task-link" href="../Structs/ZlibHeader.html">ZlibHeader</a>
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<a class="nav-group-task-link" href="../Structs/ZlibHeader/CompressionLevel.html">– CompressionLevel</a>
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<a class="nav-group-task-link" href="../Classes/SevenZipContainer.html">SevenZipContainer</a>
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<a class="nav-group-task-link" href="../Structs/SevenZipEntry.html">SevenZipEntry</a>
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<a class="nav-group-task-link" href="../Structs/ZipEntry.html">ZipEntry</a>
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<a class="nav-group-task-link" href="../Structs/ZipEntryInfo.html">ZipEntryInfo</a>
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<a class="nav-group-task-link" href="../Enums/LZMAError.html">LZMAError</a>
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<a class="nav-group-task-link" href="../Enums/SevenZipError.html">SevenZipError</a>
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<a class="nav-group-task-link" href="../Enums/XZError.html">XZError</a>
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<a class="nav-group-task-link" href="../Enums/ZipError.html">ZipError</a>
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<a class="nav-group-task-link" href="../Enums/ZlibError.html">ZlibError</a>
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<a class="nav-group-task-link" href="../Protocols/Archive.html">Archive</a>
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<a class="nav-group-task-link" href="../Protocols/Container.html">Container</a>
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<a class="nav-group-task-link" href="../Protocols/ContainerEntry.html">ContainerEntry</a>
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<a class="nav-group-task-link" href="../Protocols/ContainerEntryInfo.html">ContainerEntryInfo</a>
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<a class="nav-group-task-link" href="../Protocols/CompressionAlgorithm.html">CompressionAlgorithm</a>
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<a class="nav-group-task-link" href="../Protocols/DecompressionAlgorithm.html">DecompressionAlgorithm</a>
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<a class="nav-group-name-link" href="../Common Auxiliary Types.html">Common Auxiliary Types</a>
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<a class="nav-group-task-link" href="../Enums/ContainerEntryType.html">ContainerEntryType</a>
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<a class="nav-group-task-link" href="../Structs/DosAttributes.html">DosAttributes</a>
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<a class="nav-group-task-link" href="../Structs/Permissions.html">Permissions</a>
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<a class="nav-group-task-link" href="../Enums/CompressionMethod.html">CompressionMethod</a>
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<a class="nav-group-task-link" href="../Enums/FileSystemType.html">FileSystemType</a>
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</ul>
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</nav>
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<article class="main-content">
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<section class="section">
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<div class="section-content">
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<h1>XZArchive</h1>
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<div class="declaration">
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<div class="language">
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<pre class="highlight"><code><span class="kd">public</span> <span class="kd">class</span> <span class="kt">XZArchive</span><span class="p">:</span> <span class="kt"><a href="../Protocols/Archive.html">Archive</a></span></code></pre>
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</div>
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</div>
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<p>Provides unarchive function for XZ archives.</p>
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</div>
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</section>
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<section class="section">
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<div class="section-content">
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<div class="task-group">
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<ul class="item-container">
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<li class="item">
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<div>
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<code>
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<a name="/s:13SWCompression9XZArchiveC9unarchive10Foundation4DataVAG7archive_tKFZ"></a>
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<a name="//apple_ref/swift/Method/unarchive(archive:)" class="dashAnchor"></a>
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<a class="token" href="#/s:13SWCompression9XZArchiveC9unarchive10Foundation4DataVAG7archive_tKFZ">unarchive(archive:)</a>
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</code>
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</div>
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<div class="height-container">
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<div class="pointer-container"></div>
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<section class="section">
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<div class="pointer"></div>
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<div class="abstract">
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<p>Unarchives XZ archive. Archives with multiple streams are supported,
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but uncompressed data from each stream will be combined into single <code>Data</code> object.</p>
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<p>If an error happens during LZMA2 decompression, then <code><a href="../Enums/LZMAError.html">LZMAError</a></code> or <code><a href="../Enums/LZMA2Error.html">LZMA2Error</a></code> will be thrown.</p>
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<div class="aside aside-throws">
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<p class="aside-title">Throws</p>
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<p><code><a href="../Enums/LZMAError.html">LZMAError</a></code>, <code><a href="../Enums/LZMA2Error.html">LZMA2Error</a></code> or <code><a href="../Enums/XZError.html">XZError</a></code> depending on the type of the problem.
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Particularly, if filters other than LZMA2 are used in archive, then <code><a href="../Enums/XZError.html#/s:13SWCompression7XZErrorO13wrongFilterIDA2CmF">XZError.wrongFilterID</a></code> will be thrown,
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but it may also indicate that either the archive is damaged or
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it might not be compressed with XZ or LZMA(2) at all.</p>
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</div>
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</div>
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<div class="declaration">
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<h4>Declaration</h4>
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<div class="language">
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<p class="aside-title">Swift</p>
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<pre class="highlight"><code><span class="kd">public</span> <span class="kd">static</span> <span class="kd">func</span> <span class="nf">unarchive</span><span class="p">(</span><span class="n">archive</span> <span class="nv">data</span><span class="p">:</span> <span class="kt">Data</span><span class="p">)</span> <span class="k">throws</span> <span class="o">-></span> <span class="kt">Data</span></code></pre>
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</div>
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</div>
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<div>
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<h4>Parameters</h4>
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<table class="graybox">
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<tbody>
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<tr>
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<td>
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<code>
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<em>archive</em>
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</code>
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</td>
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<td>
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<div>
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<p>Data archived using XZ format.</p>
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</div>
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</td>
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</tr>
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</tbody>
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</table>
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</div>
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<div>
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<h4>Return Value</h4>
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<p>Unarchived data.</p>
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</div>
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<div class="slightly-smaller">
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<a href="https://github.com/tsolomko/SWCompression/tree/4.0.1/Sources/XZ/XZArchive.swift#L26-L46">Show on GitHub</a>
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</div>
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</section>
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</div>
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</li>
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<li class="item">
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<div>
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<code>
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<a name="/s:13SWCompression9XZArchiveC14splitUnarchiveSay10Foundation4DataVGAG7archive_tKFZ"></a>
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<a name="//apple_ref/swift/Method/splitUnarchive(archive:)" class="dashAnchor"></a>
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<a class="token" href="#/s:13SWCompression9XZArchiveC14splitUnarchiveSay10Foundation4DataVGAG7archive_tKFZ">splitUnarchive(archive:)</a>
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</code>
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</div>
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<div class="height-container">
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<div class="pointer-container"></div>
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<section class="section">
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<div class="pointer"></div>
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<div class="abstract">
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<p>Unarchives XZ archive. Archives with multiple streams are supported,
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and uncompressed data from each stream will be stored in a separate element in the array</p>
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<p>If data passed is not actually XZ archive, <code><a href="../Enums/XZError.html">XZError</a></code> will be thrown.
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Particularly, if filters other than LZMA2 are used in archive, then <code><a href="../Enums/XZError.html#/s:13SWCompression7XZErrorO13wrongFilterIDA2CmF">XZError.wrongFilterID</a></code> will be thrown.</p>
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<p>If an error happens during LZMA2 decompression, then <code><a href="../Enums/LZMAError.html">LZMAError</a></code> or <code><a href="../Enums/LZMA2Error.html">LZMA2Error</a></code> will be thrown.</p>
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<div class="aside aside-throws">
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<p class="aside-title">Throws</p>
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<p><code><a href="../Enums/LZMAError.html">LZMAError</a></code>, <code><a href="../Enums/LZMA2Error.html">LZMA2Error</a></code> or <code><a href="../Enums/XZError.html">XZError</a></code> depending on the type of the problem.
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It may indicate that either the archive is damaged or it might not be compressed with XZ or LZMA(2) at all.</p>
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</div>
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</div>
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<div class="declaration">
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<h4>Declaration</h4>
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<div class="language">
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<p class="aside-title">Swift</p>
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<pre class="highlight"><code><span class="kd">public</span> <span class="kd">static</span> <span class="kd">func</span> <span class="nf">splitUnarchive</span><span class="p">(</span><span class="n">archive</span> <span class="nv">data</span><span class="p">:</span> <span class="kt">Data</span><span class="p">)</span> <span class="k">throws</span> <span class="o">-></span> <span class="p">[</span><span class="kt">Data</span><span class="p">]</span></code></pre>
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</div>
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</div>
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<div>
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<h4>Parameters</h4>
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<table class="graybox">
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<tbody>
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<tr>
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<td>
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<code>
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<em>archive</em>
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</code>
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</td>
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<td>
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<div>
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<p>Data archived using XZ format.</p>
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</div>
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</td>
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</tr>
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</tbody>
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</table>
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</div>
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<div>
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<h4>Return Value</h4>
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<p>Array of unarchived data from every stream in archive.</p>
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</div>
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<div class="slightly-smaller">
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<a href="https://github.com/tsolomko/SWCompression/tree/4.0.1/Sources/XZ/XZArchive.swift#L64-L79">Show on GitHub</a>
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||
</div>
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||
</section>
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||
</div>
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</li>
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</ul>
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</div>
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</div>
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</section>
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</article>
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</div>
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<section class="footer">
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<p>© 2017 Timofey Solomko</p>
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<p>Generated by <a class="link" href="https://github.com/realm/jazzy" target="_blank" rel="external">jazzy ♪♫ v0.9.0</a>, a <a class="link" href="http://realm.io" target="_blank" rel="external">Realm</a> project.</p>
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