this.blockTableRenderer = blockTableRenderer;
    }

    public void renderTo(ClassExtensionDoc extension, Element parent) {
        if (extension.getExtensionBlocks().isEmpty()) {
            return;
        }

        Document document = parent.getOwnerDocument();

        Element section = document.createElement("section");
        parent.appendChild(section);

                blockDetailRenderer.renderTo(blockDoc, detailsSection);
            }
            for (ClassExtensionDoc extensionDoc : classDoc.getClassExtensions()) {
                for (BlockDoc blockDoc : extensionDoc.getExtensionBlocks()) {
                    blockDetailRenderer.renderTo(blockDoc, detailsSection);
                }
            }
        }
    }

    private boolean hasBlocks(ClassDoc classDoc) {