@java.lang.Override
    public Builder clear() {
      super.clear();
      bitField0_ = 0;
      if (featureNoiseSigmaBuilder_ != null) {
        featureNoiseSigmaBuilder_.clear();
      }
      noisySampleCount_ = 0;
      gradientNoiseSigmaCase_ = 0;
      gradientNoiseSigma_ = null;
      return this;
    }
<pre>
Config for SmoothGrad approximation of gradients.

When enabled, the gradients are approximated by averaging the gradients from
noisy samples in the vicinity of the inputs. Adding noise can help improve
the computed gradients. Refer to this paper for more details:
https://arxiv.org/pdf/1706.03825.pdf
</pre>

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