000.

    [<a name="ref-HTTP" id="ref-HTTP">HTTP</a>]
        Fielding et al., &#34;Hypertext Transfer Protocol (HTTP/1.1):
        Semantics and Content&#34;, <a href="http://fakehost/test/rfc7231">RFC7231</a>, June 2014.

    [<a name="ref-COND" id="ref-COND">COND</a>]
        Fielding et al., &#34;Hypertext Transfer Protocol (HTTP/1.1):
        Conditional Requests&#34;, <a href="http://fakehost/test/rfc7232">RFC7232</a>, June 2014.

    [<a name="ref-RANGE" id="ref-RANGE">RANGE</a>]
        Fielding et 