@Override
	public DataType toDataType() throws DuplicateNameException, IOException {
		StructureDataType struct = new StructureDataType("dyld_subcache_entry", 0);
		struct.add(new ArrayDataType(BYTE, 16, 1), "uuid", "The UUID of the subCache file");
		struct.add(QWORD, "cacheVMOffset",
			"The offset of this subcache from the main cache base address");
		if (cacheExtension != null) {
			struct.add(new ArrayDataType(ASCII, 32, 1), "cacheExtension",
				"The extension of the subCache file");
		}
		struct.setCategoryPath(new CategoryPath(MachConstants.DATA_TYPE_CATEGORY));
		return struct;
	}
Gets the extension of this subCache, if it is known

@return The extension of this subCache, or null if it is not known
Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/macho/dyld/DyldSubcacheEntry.java