>, </span></span><span class="parameter ">backupUrl<span class="token operator">: </span><a href="https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html">String</a><span class="token operator">?</span></span></span><span class="token punctuation">)</span><span class="token operator">: </span><a href="https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-boolean/index.html">Boolean</a></div><p class="paragraph">Retries to connect with the given delay. You can pass an optional backupUrl if yo