private com.google.protobuf.MapField<java.lang.String, java.lang.String> internalGetLabels() {
    if (labels_ == null) {
      return com.google.protobuf.MapField.emptyMapField(LabelsDefaultEntryHolder.defaultEntry);
    }
    return labels_;
  }
<pre>
Used to perform consistent read-modify-write updates. If not set, a blind
"overwrite" update happens.
</pre>

<code>string etag = 6;</code>

@return The bytes for etag.
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Endpoint.java