}

    public static <L, R> Either<L, R> right(R value) {
        return new Right<>(value);
    }

    /**
     * Take the value if this is a left.
     */
    public abstract Optional<L> getLeft();

    /**
     * Take the value if this is a right.
     */
    public abstract Optional<R> getRight();

    /**
     * Map the left side.
     *
     * @see #mapRight
     * @see #fold
     */

                return person;
            }
        }
        return null;
    }

    public static Person of(Pair<String, String> pair) {
        return new Person(pair.getLeft(), pair.getRight());
    }

                return person;
            }
        }
        return null;
    }

    public static Person of(Pair<String, String> pair) {
        return new Person(pair.getLeft(), pair.getRight());
    }

        super(left.taskDependencyFactory, left.patternSetFactory);
        this.left = left;
        this.right = right;
    }

    public AbstractFileCollection getLeft() {
        return left;
    }

    public FileCollection getRight() {
        return right;
    }

    @Override
    public String getDisplayName() {
        return "file collection";
    }

    @Nullable
    public final R right;

    private Pair(@Nullable L left, @Nullable R right) {
        this.left = left;
        this.right = right;
    }

    @Nullable
    public L getLeft() {
        return left;
    }

    @Nullable
    public R getRight() {
        return right;
    }

    @Nullable
    public L left() {
        return left;
    }

    @Nullable

    public static CachingState disabledWithoutInputs(CachingDisabledReason reason) {
        return disabled(ImmutableList.of(reason), null, null);
    }

    public Optional<Enabled> whenEnabled() {
        return delegate.getLeft();
    }

    public Optional<Disabled> whenDisabled() {
        return delegate.getRight();
    }

    public <T> T fold(Function<Enabled, T> enabled, Function<Disabled, T> disabled) {

        }
        String output = transform.getLeft();
        String error = transform.getRight();
        try {
            return new ComponentFound<T>(parseCompilerOutput(output, error, execSpec.executable, path));
        } catch (BrokenResultException e) {

        if (args != null) {
            // path(Type) { ... }
            rewriteCreator(call, extractModelPathFromMethodTarget(call), args.getRight(), args.getLeft(), RuleVisitor.displayName(call));
            return;
        }

        ClassExpression classArg = AstUtils.getClassArg(call);
        if (classArg != null) {
            // path(Type)

        ExtractData extractData = jodExtractor.getText(in, null);
        String content = extractData.getContent();
        CloseableUtil.closeQuietly(in);
        logger.info(content);
        assertTrue(content.contains("テスト"));
    }

    public void test_getText_null() {
        try {
            jodExtractor.getText(null, null);
            fail();
        } catch (CrawlerSystemException e) {

    public abstract SwiftSourceElement getMain();
    public abstract XCTestSourceElement getTest();

    @Override
    public List<XCTestSourceFileElement> getTestSuites() {
        return getTest().getTestSuites();
    }

    @Override
    public List<SourceFile> getFiles() {
        return Lists.newArrayList(Iterables.concat(getMain().getFiles(), getTest().getFiles()));
    }

    @Override