@Override
		public DataType toDataType() throws DuplicateNameException {
			StructureDataType struct = new StructureDataType(NAME, 0);
			struct.add(WORD, "Flags", null);
			struct.add(WORD, "Catalog", null);
			struct.add(DWORD, "CatalogOffset", null);
			struct.add(DWORD, "Reserved", null);

			struct.setCategoryPath(new CategoryPath("/PE"));
			return struct;
		}
Not sure yet what this is used for.
Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/pe/LoadConfigDirectory.java