public StringsJavadocOptionFileOption(String option, List<String> value, String joinBy) {
        super(option, value, joinBy);
    }

    @Override
    public void writeCollectionValue(JavadocOptionFileWriterContext writerContext) throws IOException {
        writerContext.writeValuesOption(option, value, joinBy);
    }

    @Override
    public StringsJavadocOptionFileOption duplicate() {

 */
public abstract class AbstractListJavadocOptionFileOption<T extends List<?>> extends AbstractJavadocOptionFileOption<T> {
    protected final String joinBy;

    protected AbstractListJavadocOptionFileOption(String option, T value, String joinBy) {
        super(option, value);
        this.joinBy = joinBy;
    }

    @Override
    public T getValue() {
        return value;
    }

    @Override

  }

  private static final Joiner JOINER = Joiner.on(", ");

  @Override
  protected final void assertMoreInvariants(Map<K, V> map) {
    // TODO: can these be moved to MapInterfaceTest?
    for (Entry<K, V> entry : map.entrySet()) {
      assertEquals(entry.getKey() + "=" + entry.getValue(), entry.toString());
    }

    assertEquals("{" + JOINER.join(map.entrySet()) + "}", map.toString());

  }

  private static final Joiner joiner = Joiner.on(", ");

  @Override
  protected void assertMoreInvariants(Map<K, V> map) {
    // TODO: can these be moved to MapInterfaceTest?
    for (Entry<K, V> entry : map.entrySet()) {
      assertEquals(entry.getKey() + "=" + entry.getValue(), entry.toString());
    }

    assertEquals("{" + joiner.join(map.entrySet()) + "}", map.toString());

    private JavadocOptionFileWriterContext writerContextMock = Mock()
    private final String optionName = "testOption"
    private final String joinBy = ";"

    private PathJavadocOptionFileOption pathOption = new PathJavadocOptionFileOption(optionName, new ArrayList<>(), joinBy)


    def testWriteNullValue() throws IOException {
        when:
        pathOption.write(writerContextMock)

        then:

        builder.add(field);
      }
    }
    return builder.build();
  }

  private static final Splitter SPLITTER = Splitter.on('_');
  private static final Joiner JOINER = Joiner.on('-');

  private static String upperToHttpHeaderName(
      String constantName,
      ImmutableBiMap<String, String> specialCases,
      ImmutableSet<String> uppercaseAcronyms) {

            case MACRO_FUNCTION:
                return value + "(" + Joiner.on(", ").join(arguments) + ")";
            case EXPRESSIONS:
                return Joiner.on(" ").join(arguments);
            case ARGS_LIST:
                return "(" + Joiner.on(", ").join(arguments) + ")";
            default:
                return value != null ? value : "??";
        }
    }

		t.Fatalf("failed to query data, got error %v", err)
	}

	AssertEqual(t, result.Roles, data.Roles)
	AssertEqual(t, result.JobInfo.Location, data.JobInfo.Location)

			// what we care about in testing Join is that absolute paths remain
			// absolute and relative paths remaining relative — there is no harm in
			// over-normalizing letters in the comparison, so we use EqualFold.
			joined := filepath.Join(tt.prefix, got)
			if clean := filepath.Clean(tt.s); !strings.EqualFold(joined, clean) {
				t.Errorf("filepath.Join(%#q, %#q) = %#q, want %#q", tt.prefix, got, joined, clean)
			}
		}
	}

        return addPathOption(option, System.getProperty("path.separator"));
    }

    public JavadocOptionFileOption<List<File>> addPathOption(String option, String joinBy) {
        return addOption(new PathJavadocOptionFileOption(option, new ArrayList<>(), joinBy));
    }

    public JavadocOptionFileOption<List<String>> addStringsOption(String option) {
        return addStringsOption(option, System.getProperty("path.separator"));