>Construct a new "service unavailable" exception with an interval specifying the "Retry-After" information for the
 failed request.</div>
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>retryAfter</code> - decimal interval in seconds after which the failed request may be retried.</dd>
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<h4>ServiceUnavailableException</h4>
<pre>public&nbsp;