public int getNumberOfAnnotations() {
		return numberOfAnnotations & 0xffff;
	}
The value of the num_annotations item gives the number of runtime-visible
annotations represented by the structure.
<p>
Note that a maximum of 65535 runtime-visible Java programming language annotations
may be directly attached to a program element.
@return the number of runtime-visible annotations
Ghidra/Processors/JVM/src/main/java/ghidra/javaclass/format/attributes/RuntimeInvisibleAnnotationsAttribute.java