if (!this.getRenderIds().isEmpty()) {
String renderIds = SPACE_JOINER.join(this.getRenderIds());
startExtensionElementIfNecessary(writer, attributes, writingState);
writer.startElement(RENDER_ELEMENT_NAME, component);
writer.writeText(renderIds, null);
writer.endElement(RENDER_ELEMENT_NAME);
}
Object responseData = this.getResponseData();
if (responseData != null) {
startExtensionElementIfNecessary(writer, attributes, writingState);