@java.lang.Override
    public int getSerializedSize() {
      int size = memoizedSize;
      if (size != -1) return size;

      size = 0;
      if (ppeLabelId_ != 0L) {
        size += com.google.protobuf.CodedOutputStream.computeInt64Size(1, ppeLabelId_);
      }
      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(ppeLabelString_)) {
        size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, ppeLabelString_);
      }
      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(ppeSupercategoryLabelString_)) {
        size +=
            com.google.protobuf.GeneratedMessageV3.computeStringSize(
                3, ppeSupercategoryLabelString_);
      }
      if (ppeEntityId_ != 0L) {
        size += com.google.protobuf.CodedOutputStream.computeInt64Size(4, ppeEntityId_);
      }
      size += getUnknownFields().getSerializedSize();
      memoizedSize = size;
      return size;
    }
<pre>
Entity id.
</pre>

<code>int64 ppe_entity_id = 4;</code>

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