implement a callback method with a method signature as defined in <a href="https://json-ld.org/spec/latest/json-ld-api/index.html#idl-def-LoadDocumentCallback">LoadDocumentCallback</a>. Specifying this option requires the test runner to provide this callback to the appropriate API method using the <code>documentLoader</code> option.</p>
</span>
<div>
<strong>
domain:
</strong>
<code property='rdfs:domain' resource='jld:Option'>jld:Option</code>
</div>
<div>
<strong>
range:
</strong>
<code property='rdfs:ran