builder.build(doc)
            return doc
        }

        then:
        doc.classProperties.size() == 5
        doc.classProperties[0].name == 'a'
        doc.classProperties[1].name == 'b'
        doc.classProperties[2].name == 'c'
        doc.classProperties[3].name == 'd'
        doc.classProperties[4].name == 'e'

        _ * classMetaData.findProperty('b') >> propertyB

    }

    @Override
    String getReplacement() {
        return classMetaData.replacement
    }

    Collection<PropertyDoc> getClassProperties() { return classProperties }

    void addClassProperty(PropertyDoc propertyDoc) {
        classProperties.add(propertyDoc.forClass(this))
    }

    Collection<MethodDoc> getClassMethods() { return classMethods }

    void addClassMethod(MethodDoc methodDoc) {

        summarySection.appendChild(title);
        title.appendChild(document.createTextNode("Properties"));

        Collection<PropertyDoc> classProperties = classDoc.getClassProperties();
        if (!classProperties.isEmpty()) {

            Element table = document.createElement("table");
            summarySection.appendChild(table);

            title = document.createElement("title");

            new ClassDocMethodsBuilder(javadocConverter, Mock(GenerationListener)).build(doc)
            doc
        }

        then:
        doc.classProperties.size() == 2
        doc.classProperties[0].name == 'block'
        doc.classProperties[1].name == 'listBlock'

        doc.classMethods.size() == 3

        doc.classBlocks.size() == 2
        doc.classBlocks[0].name == 'block'

            </chapter>
        ''')

        ClassDoc classDoc = classDoc('org.gradle.Class', id: 'classId', content: sourceContent, comment: 'class comment')
        _ * classDoc.classProperties >> []
        _ * classDoc.classMethods >> []
        _ * classDoc.classBlocks >> []
        _ * classDoc.classExtensions >> []
        _ * classDoc.subClasses >> []

        when:

        return extensionClasses
    }

    List<PropertyDoc> getExtensionProperties() {
        List<PropertyDoc> properties = []
        mixinClasses.each { mixin ->
            mixin.classProperties.each { prop ->
                properties << prop.forClass(targetClass)
            }
        }
        extraProperties.each { prop ->
            properties << prop.forClass(targetClass)
        }

            }
            classDoc.classBlocks.each { blockDoc ->
                linkMetaData.addBlockMethod(blockDoc.blockMethod.metaData)
            }
            classDoc.classProperties.each { propertyDoc ->
                linkMetaData.addPropertyAccessorMethod(propertyDoc.name, propertyDoc.metaData.getter ?: propertyDoc.metaData.setter)
            }
        } catch (Exception e) {