public int getNoiseSigmaCount() {
      if (noiseSigmaBuilder_ == null) {
        return noiseSigma_.size();
      } else {
        return noiseSigmaBuilder_.getCount();
      }
    }
<pre>
Noise sigma per feature. No noise is added to features that are not set.
</pre>

<code>
repeated .google.cloud.vertexai.v1.FeatureNoiseSigma.NoiseSigmaForFeature noise_sigma = 1;
</code>
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FeatureNoiseSigma.java