@java.lang.Override
      public long getBoxId() {
        return boxId_;
      }
<pre>
An unique id for this box.
</pre>

<code>int64 box_id = 1;</code>

@return The boxId.
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/PersonalProtectiveEquipmentDetectionOutput.java