class="o">-&gt;</span> <span class="kt">Observable</span><span class="o">&lt;</span><span class="kt">Descriptor</span><span class="o">&gt;</span></code></pre>

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                        <h4>Return Value</h4>
                        <p>Observable that emits <code>next</code> with <code>Descriptor</code> instance every time when write has happened.
It&rsquo;s <strong>infinite</strong> stream, so <code>.complete</code> is nev