protected void indexDIEATypeRefs(TaskMonitor monitor) throws CancelledException {
		monitor.initialize(totalAggregateCount, "DWARF: Indexing Type References");
		for (DIEAggregate diea : allAggregates()) {
			monitor.increment();
			DIEAggregate typeRef = diea.getTypeRef();
			if (typeRef != null) {
				typeReferers.put(typeRef.getOffset(), diea.getOffset());
			}
		}

	}
Reads and indexes available DWARF information.

@param monitor {@link TaskMonitor}
@throws IOException if error reading data
@throws DWARFException if bad or invalid DWARF information
@throws CancelledException if cancelled
Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/dwarf/DWARFProgram.java