List<DataTypeReference> findUsage() {

			List<DataTypeReference> refs = new ArrayList<>();
			searchDecompilation(refs);
			return refs;
		}
Class to do the work of searching through the Decompiler's results for the desired
data type access.
Ghidra/Features/DecompilerDependent/src/main/java/ghidra/app/extension/datatype/finder/DecompilerDataTypeReferenceFinder.java