public AnnotationSetItem getAnnotationSetItem() {
		return _annotationSetItem;
	}
field_annotation format

Name Format Description

field_idx uint index into the field_ids list for the identity of the field being annotated

annotations_off uint offset from the start of the file to the list of annotations for the field. The offset should be to a location in the data section. The format of the data is specified by
"annotation_set_item" below.

https://android.googlesource.com/platform/art/+/master/libdexfile/dex/dex_file_structs.h
Ghidra/Features/FileFormats/src/main/java/ghidra/file/formats/android/dex/format/FieldAnnotationsItem.java