public int getElementNameIndex() {
		return elementNameIndex & 0xffff;
	}
The value of the element_name_index item must be a valid index
into the constant_pool table. The constant_pool entry at that index
must be a CONSTANT_Utf8_info (?4.4.7) structure representing a valid
field descriptor that denotes the name of the annotation type
element represented by this element_value_pairs entry.
@return a valid index into the constant_pool table
Ghidra/Processors/JVM/src/main/java/ghidra/javaclass/format/attributes/AnnotationElementValuePair.java