### Question:
ServerSentEventDeviceLinkCompletion implements ServerSentEvent { public UUID getDeviceId() { return deviceId; } @JsonCreator  ServerSentEventDeviceLinkCompletion(
            @JsonProperty("device_id") UUID deviceId,
            @JsonProperty("device_public_key_id") String publicKeyId,
            @JsonProperty("device_public_key") String publicKey); UUID getDeviceId(); String getPublicKeyId(); String getPublicKey(); @Override boolean equals(Object o); @Override int hashCode(); @Override String toString();  }### Answer:
@Test public void getDeviceId() { assertEquals(UUID.fromString("f5de8190-8256-11e9-bc42-526af7764f64"), serverSentEventDeviceLinkCompletion.getDeviceId()); }