listRole method
Implementation
Future<List<RoleDoc>> listRole({
required String name,
required String operator,
}) async {
final request = ListRolesRequest()..name = name;
final envelop = await requestEnvelope(request: request);
final bindings = await getServiceClient(operator).query.listRoles(envelop);
return bindings.roles.map(RoleDoc.new).toList();
}