@Override
    public YubiKeyAccount save(final YubiKeyAccount yubiAccount) {
        devices.put(yubiAccount.getUsername(), yubiAccount);
        return yubiAccount;
    }
This is {@link PermissiveYubiKeyAccountRegistry}.

@author Misagh Moayyed
@since 5.2.0
support/cas-server-support-yubikey-core/src/main/java/org/apereo/cas/adaptors/yubikey/registry/PermissiveYubiKeyAccountRegistry.java