public int getLabelsCount() {
    return internalGetLabels().getMap().size();
  }
<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