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<h4>checkNotEmpty</h4>
<pre><a href="http://d.android.com/reference/android/support/annotation/NonNull.html?is-external=true" title="class or interface in android.support.annotation">@NonNull</a>
public static&nbsp;&lt;T extends <a href="http://d.android.com/reference/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;Y&gt;,Y&g