@java.lang.Override
    public Builder clear() {
      super.clear();
      bitField0_ = 0;
      if (noiseSigmaBuilder_ == null) {
        noiseSigma_ = java.util.Collections.emptyList();
      } else {
        noiseSigma_ = null;
        noiseSigmaBuilder_.clear();
      }
      bitField0_ = (bitField0_ & ~0x00000001);
      return this;
    }
<pre>
Noise sigma by features. Noise sigma represents the standard deviation of the
gaussian kernel that will be used to add noise to interpolated inputs prior
to computing gradients.
</pre>

Protobuf type {@code google.cloud.vertexai.v1.FeatureNoiseSigma}
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/FeatureNoiseSigma.java