RadioGroup(options: List<StringPair>? = null, value: String? = null, name: String? = null, inline: Boolean = false, label: String? = null, rich: Boolean = false)
options - an optional list of options (label to value pairs) for the group
name - the name attribute of the generated HTML input element
inline - determines if the options are rendered inline
label - label text of the options group
rich - determines if label can contain HTML code
Constructor