@java.lang.Override
      public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
        if (java.lang.Float.floatToRawIntBits(minValue_) != 0) {
          output.writeFloat(1, minValue_);
        }
        if (java.lang.Float.floatToRawIntBits(maxValue_) != 0) {
          output.writeFloat(2, maxValue_);
        }
        if (java.lang.Float.floatToRawIntBits(originalMean_) != 0) {
          output.writeFloat(3, originalMean_);
        }
        if (java.lang.Float.floatToRawIntBits(originalStddev_) != 0) {
          output.writeFloat(4, originalStddev_);
        }
        getUnknownFields().writeTo(output);
      }
<pre>
If this input feature has been normalized to a standard deviation of
1.0, the original_stddev specifies the standard deviation of the domain
prior to normalization.
</pre>

<code>float original_stddev = 4;</code>

@return The originalStddev.
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ExplanationMetadata.java