Map<AccessorKey, ReplacedAccessor> keptAccessors = new HashMap<>(oldAccessorsOfUpgradedProperties);
        keptAccessors.entrySet().removeIf(e -> {
            if (seenUpgradedAccessorsChanges.contains(e.getKey())) {
                return true;
            }
            ReplacedAccessor accessor = e.getValue();
            return accessor.getBinaryCompatibility() == BinaryCompatibility.ACCESSORS_KEPT;
        });

                    String key = attributeDoc.getKey();
                    if (inheritedValueTitleMapping.get(key) != null) {
                        ExtraAttributeDoc newAttribute = new ExtraAttributeDoc(inheritedValueTitleMapping.get(key), attributeDoc.getValueCell());
                        additionalValues.put(newAttribute.getKey(), newAttribute);
                    } else {

    private static <T> Map<AccessorKey, T> diff(Map<AccessorKey, T> first, Map<AccessorKey, T> second) {
        return first.entrySet().stream()
            .filter(e -> !second.containsKey(e.getKey()))
            .collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue));
    }

                    for (String className : entry.getValue()) {
                        warning.append("    * " + className + "\n");
                    }
                    getLogger().warn(warning.toString());
                }
                mappingFileWriter.print(entry.getKey());
                mappingFileWriter.print(":");

        this.titleCell = titleCell
        this.valueCell = valueCell
    }

    @Override
    String toString() {
        return "attribute[key: $key, value: $valueCell.textContent]"
    }

    String getKey() {
        return titleCell.textContent
    }

    List<Node> getTitle() {
        return titleCell.childNodes.collect { it }
    }

    List<Node> getValue() {

            elementStack.addFirst(name);
            visitor.onStartHtmlElement(name);
            for (Map.Entry<String, String> entry : attributes.entrySet()) {
                visitor.onHtmlElementAttribute(entry.getKey(), entry.getValue());
            }
            attributes.clear();
            visitor.onStartHtmlElementComplete(name);
        }

        @Override
        public void onEndHtmlElement(String name) {

        classes.put(fullyQualifiedClassName, metaData);
    }

    @Override
    public void each(Closure cl) {
        for (Map.Entry<String, T> entry : classes.entrySet()) {
            cl.call(new Object[]{entry.getKey(), entry.getValue()});
        }
    }

    public void each(Action<? super T> action) {
        for (T t : classes.values()) {
            action.execute(t);
        }
    }

        }

        LinkRenderer linkRenderer = new LinkRenderer(doc, model);
        for (Map.Entry<String, ClassDoc> entry : extensionDoc.getExtensionClasses().entrySet()) {
            String id = entry.getKey();
            ClassDoc type = entry.getValue();
            PropertyMetaData propertyMetaData = new PropertyMetaData(id, extensionDoc.getTargetClass().getClassMetaData());

            StringBuilder sb = new StringBuilder("Found reversed multi-language snippet order in AsciiDoc files:\n");
            for (Map.Entry<File, List<Error>> e : errors.entrySet()) {
                sb.append(" - ").append(e.getKey().getPath()).append("\n");
                for (Error err : e.getValue()) {
                    sb.append("    line ").append(err.line).append(": ").append(err.message).append("\n");
                }
            }

     *
     * Here we automatically accept the following cases:
     * - A setter `setX` of an upgraded property is removed
     * - A boolean `isX` of an upgraded property is removed
     * - A new getter `getX` is added, where the old getter is a boolean getter `isX` of an upgraded property
     * - A return type is changed for a getter `getX` of an upgraded property
     *