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<h4>isSecure</h4>
<pre>boolean&nbsp;isSecure()</pre>
<div class="block">Return true if and only if the underlying socket is using a secure transport.</div>
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<dt><span class="returnLabel">Returns:</span></dt>
<dd>whether its using a secure transport.</dd>
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<h4>isOpen</h4>
<pre>boolean&nbsp;isOpen()</pre>
<div class="block">Return true if and only if 