unblock method
Implementation
Future<bool> unblock(List<String> items) async {
assert(items.isNotEmpty, 'The list of items to unblock must be non-empty');
final result = (await getAttributes().sendStanza(
StanzaDetails(
Stanza.iq(
type: 'set',
children: [
XMLNode.xmlns(
tag: 'unblock',
xmlns: blockingXmlns,
children: items
.map(
(item) => XMLNode(
tag: 'item',
attributes: {
'jid': item,
},
),
)
.toList(),
),
],
),
),
))!;
return result.attributes['type'] == 'result';
}