public final boolean isEmptyA()
    {
        return annotations.isEmpty();
    }
Shorthand for annotations.isEmpty().
<p>

<pre>
You can then use:
&lt;if(message.emptyA)&gt;
</pre>
<p>

<pre>
Note that this does not work on stringtemplate:
&lt;if(message.annotationMap.empty)&gt;

Even though {@link java.util.Map#isEmpty()} exists.
</pre>
protostuff-parser/src/main/java/io/protostuff/parser/AnnotationContainer.java