@java.lang.Override
    public int getSerializedSize() {
      int size = memoizedSize;
      if (size != -1) return size;

      size = 0;
      if (displayNameMappingCase_ == 1) {
        size +=
            com.google.protobuf.CodedOutputStream.computeMessageSize(
                1, (com.google.protobuf.Value) displayNameMapping_);
      }
      if (displayNameMappingCase_ == 2) {
        size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, displayNameMapping_);
      }
      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(outputTensorName_)) {
        size += com.google.protobuf.GeneratedMessageV3.computeStringSize(3, outputTensorName_);
      }
      size += getUnknownFields().getSerializedSize();
      memoizedSize = size;
      return size;
    }
<pre>
Name of the output tensor. Required and is only applicable to Vertex
AI provided images for Tensorflow.
</pre>

<code>string output_tensor_name = 3;</code>

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