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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"  "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml" lang="en">  <head>    <meta http-equiv="X-UA-Compatible" content="IE=Edge" />    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />    <title>Glossary — gRPC Python 1.24.3 documentation</title>    <link rel="stylesheet" href="_static/alabaster.css" type="text/css" />    <link rel="stylesheet" href="_static/pygments.css" type="text/css" />    <script type="text/javascript" id="documentation_options" data-url_root="./" src="_static/documentation_options.js"></script>    <script type="text/javascript" src="_static/jquery.js"></script>    <script type="text/javascript" src="_static/underscore.js"></script>    <script type="text/javascript" src="_static/doctools.js"></script>    <script type="text/javascript" src="_static/language_data.js"></script>    <link rel="index" title="Index" href="genindex.html" />    <link rel="search" title="Search" href="search.html" />    <link rel="prev" title="gRPC Testing" href="grpc_testing.html" />     <link rel="stylesheet" href="_static/custom.css" type="text/css" />      <meta name="viewport" content="width=device-width, initial-scale=0.9, maximum-scale=0.9" />  </head><body>  <div class="document">          <div class="sphinxsidebar" role="navigation" aria-label="main navigation">        <div class="sphinxsidebarwrapper"><h1 class="logo"><a href="index.html">gRPC Python</a></h1><p class="blurb">1.24.3</p><h3>Navigation</h3><p class="caption"><span class="caption-text">Contents:</span></p><ul class="current"><li class="toctree-l1"><a class="reference internal" href="grpc.html">gRPC</a></li><li class="toctree-l1"><a class="reference internal" href="grpc_channelz.html">gRPC Channelz</a></li><li class="toctree-l1"><a class="reference internal" href="grpc_health_checking.html">gRPC Health Checking</a></li><li class="toctree-l1"><a class="reference internal" href="grpc_reflection.html">gRPC Reflection</a></li><li class="toctree-l1"><a class="reference internal" href="grpc_status.html">gRPC Status</a></li><li class="toctree-l1"><a class="reference internal" href="grpc_testing.html">gRPC Testing</a></li><li class="toctree-l1 current"><a class="current reference internal" href="#">Glossary</a></li></ul><div class="relations"><h3>Related Topics</h3><ul>  <li><a href="index.html">Documentation overview</a><ul>      <li>Previous: <a href="grpc_testing.html" title="previous chapter">gRPC Testing</a></li>  </ul></li></ul></div><div id="searchbox" style="display: none" role="search">  <h3>Quick search</h3>    <div class="searchformwrapper">    <form class="search" action="search.html" method="get">      <input type="text" name="q" />      <input type="submit" value="Go" />      <input type="hidden" name="check_keywords" value="yes" />      <input type="hidden" name="area" value="default" />    </form>    </div></div><script type="text/javascript">$('#searchbox').show(0);</script>        </div>      </div>      <div class="documentwrapper">        <div class="bodywrapper">                    <div class="body" role="main">              <div class="section" id="glossary"><h1>Glossary<a class="headerlink" href="#glossary" title="Permalink to this headline">¶</a></h1><dl class="glossary docutils"><dt id="term-metadatum">metadatum</dt><dd>A key-value pair included in the HTTP header.  It is a2-tuple where the first entry is the key and thesecond is the value, i.e. (key, value).  The metadata key is an ASCII str,and must be a valid HTTP header name.  The metadata value can beeither a valid HTTP ASCII str, or bytes.  If bytes are provided,the key must end with ‘-bin’, i.e.<code class="docutils literal notranslate"><span class="pre">('binary-metadata-bin',</span> <span class="pre">b'\\x00\\xFF')</span></code></dd><dt id="term-metadata">metadata</dt><dd>A sequence of metadatum.</dd></dl></div>          </div>                  </div>      </div>    <div class="clearer"></div>  </div>    <div class="footer">      ©2018, The gRPC Authors.            |      <a href="_sources/glossary.rst.txt"          rel="nofollow">Page source</a>    </div>            <script type="text/javascript">      var _gaq = _gaq || [];      _gaq.push(['_setAccount', 'UA-60127042-1']);      _gaq.push(['_setDomainName', 'none']);      _gaq.push(['_setAllowLinker', true]);      _gaq.push(['_trackPageview']);      (function() {        var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;        ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';        var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);      })();    </script>      </body></html>
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