in src/main/java/com/awslabs/aws/iot/websockets/BasicMqttOverWebsocketsProvider.java [68:74]
public MqttAsyncClient getMqttAsyncClient(MqttClientConfig mqttClientConfig) throws MqttException, NoSuchAlgorithmException, InvalidKeyException, UnsupportedEncodingException {
String mqttOverWebsocketsUri = getMqttOverWebsocketsUriString(mqttClientConfig.getOptionalMqttOverWebsocketsUriConfig());
MemoryPersistence persistence = new MemoryPersistence();
return new MqttAsyncClient(mqttOverWebsocketsUri, mqttClientConfig.getClientId().getClientId(), persistence);
}