@Override
    public DataType toDataType() throws DuplicateNameException {
        StructureDataType struct = new StructureDataType(getName(), 0);

        DataType dt = is64bit ? QWORD : DWORD;

        struct.add(dt, "StartAddressOfRawData", null);
        struct.add(dt, "EndAddressOfRawData", null);
        struct.add(dt, "AddressOfIndex", null);
        struct.add(dt, "AddressOfCallBacks", null);

        struct.add(DWORD, "SizeOfZeroFill", null);
        struct.add(DWORD, "Characteristics", null);

        struct.setCategoryPath(new CategoryPath("/PE"));

        return struct;
    }
Reserved, currently set to 0.
@return reserved, currently set to 0
Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/pe/TLSDirectory.java