private List<DIEAggregate> getTypeReferers(DIEAggregate targetDIEA) {
		List<Long> dieaOffsets = typeReferers.get(targetDIEA.getOffset());
		if (dieaOffsets == null) {
			return List.of();
		}
		return dieaOffsets.stream().map(dieaOffset -> getAggregate(dieaOffset)).toList();
	}
Returns the total number of {@link DIEAggregate} objects in the entire program.

@return the total number of {@link DIEAggregate} objects in the entire program.
Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/dwarf/DWARFProgram.java