newGenericWriter
actual fun newGenericWriter(output: Appendable, isRepairNamespaces: Boolean, xmlDeclMode: XmlDeclMode): KtXmlWriter
expect fun newGenericWriter(output: Appendable, isRepairNamespaces: Boolean = false, xmlDeclMode: XmlDeclMode = XmlDeclMode.None): KtXmlWriter
actual fun newGenericWriter(output: Appendable, isRepairNamespaces: Boolean, xmlDeclMode: XmlDeclMode): KtXmlWriter