otlin/-string/index.html">String</a><span class="token punctuation">, </span></span><span class="parameter ">fileURL<span class="token operator">: </span><a href="https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html">String</a></span></span><span class="token punctuation">)</span></div><div class="brief "><p class="paragraph">Construct a Blob with the content of a file. The blob can then be added as a property of a Document. This constructor creates a stream that is not closed until the bl