public List<PrivilegeKey> getPrivilegeKeys() {
CPrivilegeKeyList list = new CPrivilegeKeyList();
if (query.doCommand(list)) {
List<PrivilegeKey> keys = new ArrayList<>();
for (HashMap<String, String> opt : list.getResponse()) {
keys.add(new PrivilegeKey(opt));
}
return keys;
}
return null;
}