castAtomicAs
fun castAtomicAs(value: XdmAtomicValue, seqType: SequenceType?, inscopeNamespaces: Map<String, NamespaceUri>): XdmAtomicValue(source)
fun castAtomicAs(value: XdmAtomicValue, xsdtype: ItemType, inscopeNamespaces: Map<String, NamespaceUri>): XdmAtomicValue(source)