@java.lang.Override
  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
    getSerializedSize();
    if (java.lang.Double.doubleToRawLongBits(baselineOutputValue_) != 0) {
      output.writeDouble(1, baselineOutputValue_);
    }
    if (java.lang.Double.doubleToRawLongBits(instanceOutputValue_) != 0) {
      output.writeDouble(2, instanceOutputValue_);
    }
    if (((bitField0_ & 0x00000001) != 0)) {
      output.writeMessage(3, getFeatureAttributions());
    }
    if (getOutputIndexList().size() > 0) {
      output.writeUInt32NoTag(34);
      output.writeUInt32NoTag(outputIndexMemoizedSerializedSize);
    }
    for (int i = 0; i < outputIndex_.size(); i++) {
      output.writeInt32NoTag(outputIndex_.getInt(i));
    }
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(outputDisplayName_)) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 5, outputDisplayName_);
    }
    if (java.lang.Double.doubleToRawLongBits(approximationError_) != 0) {
      output.writeDouble(6, approximationError_);
    }
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(outputName_)) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 7, outputName_);
    }
    getUnknownFields().writeTo(output);
  }
<pre>
Output only. Name of the explain output. Specified as the key in
[ExplanationMetadata.outputs][google.cloud.aiplatform.v1.ExplanationMetadata.outputs].
</pre>

<code>string output_name = 7 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>

@return The bytes for outputName.
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Attribution.java