public int getTypeIndex() {
		return typeIndex & 0xffff;
	}
The value of the type_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 structure representing a field
descriptor representing the annotation type corresponding to the annotation
represented by this annotation structure.
@return  valid index into the constant_pool table
Ghidra/Processors/JVM/src/main/java/ghidra/javaclass/format/attributes/AnnotationJava.java