@java.lang.Override
  public java.lang.String getId() {
    java.lang.Object ref = id_;
    if (ref instanceof java.lang.String) {
      return (java.lang.String) ref;
    } else {
      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
      java.lang.String s = bs.toStringUtf8();
      id_ = s;
      return s;
    }
  }
<pre>
A device-specific ID. The ID must be a unique identifier that
distinguishes the device from other devices.
</pre>

<code>string id = 2;</code>

@return The id.
java-talent/proto-google-cloud-talent-v4beta1/src/main/java/com/google/cloud/talent/v4beta1/DeviceInfo.java