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<h4>isNull</h4>
<pre>public&nbsp;boolean&nbsp;isNull()</pre>
<div class="block">Returns whether the EPC member is null or not.</div>
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<dt><span class="returnLabel">Returns:</span></dt>
<dd>Returns true if the EPC member is null.</dd>
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<h4>hasMeta</h4>
<pre>public&nbsp;boolean&nbsp;hasMeta()</pre>
<div class="block">Return true if the tag has the meta