private static String linkLabelToAsciiDoc()

in log4j-docgen/src/main/java/org/apache/logging/log4j/docgen/processor/AbstractAsciiDocTreeVisitor.java [283:300]


    private static String linkLabelToAsciiDoc(final LinkTree node) {
        int[] labelTokenIndex = {0};
        return node.getLabel().stream()
                .map(labelToken -> {
                    if (!(labelToken instanceof TextTree)) {
                        final String message = String.format(
                                "Non-text labels in links are not allowed! "
                                        + "That is, `{@link foo.bar.Baz awesome thing}` is allowed, whereas {@link foo.bar.Baz {@code doh}}` is not. "
                                        + "While visiting link `%s`, label token at index %d found to be of unexpected type: `%s`",
                                node, labelTokenIndex[0], labelToken.getClass().getCanonicalName());
                        throw new IllegalArgumentException(message);
                    }
                    labelTokenIndex[0]++;
                    final TextTree textLabel = (TextTree) labelToken;
                    return textLabel.getBody();
                })
                .collect(Collectors.joining(" "));
    }