private com.google.protobuf.RepeatedFieldBuilderV3<
            com.google.cloud.vertexai.api.FeatureNoiseSigma.NoiseSigmaForFeature,
            com.google.cloud.vertexai.api.FeatureNoiseSigma.NoiseSigmaForFeature.Builder,
            com.google.cloud.vertexai.api.FeatureNoiseSigma.NoiseSigmaForFeatureOrBuilder>
        getNoiseSigmaFieldBuilder() {
      if (noiseSigmaBuilder_ == null) {
        noiseSigmaBuilder_ =
            new com.google.protobuf.RepeatedFieldBuilderV3<
                com.google.cloud.vertexai.api.FeatureNoiseSigma.NoiseSigmaForFeature,
                com.google.cloud.vertexai.api.FeatureNoiseSigma.NoiseSigmaForFeature.Builder,
                com.google.cloud.vertexai.api.FeatureNoiseSigma.NoiseSigmaForFeatureOrBuilder>(
                noiseSigma_, ((bitField0_ & 0x00000001) != 0), getParentForChildren(), isClean());
        noiseSigma_ = null;
      }
      return noiseSigmaBuilder_;
    }
<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