/src/main/java/org/htmlunit/html/XmlSerializer.java
if ( node instanceof BaseFrameElement) {   return getAttributesFor( ( ( BaseFrameElement) ( node) ) ) ; }
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return getAttributesFor((HtmlImage) node); } else if (node instanceof HtmlLink) { return getAttributesFor((HtmlLink) node); } else if (node instanceof BaseFrameElement) { <extra_id_0> } Map<String, DomAttr> attributes = node.getAttributesMap(); if (node instanceof HtmlOption) { attributes = new HashMap<>(attributes); final HtmlOption option = (HtmlOption) node; if (option.isSelected()) {