public Builder setParameters(com.google.cloud.vertexai.api.Tensor.Builder builderForValue) {
      if (parametersBuilder_ == null) {
        parameters_ = builderForValue.build();
      } else {
        parametersBuilder_.setMessage(builderForValue.build());
      }
      bitField0_ |= 0x00000004;
      onChanged();
      return this;
    }
<pre>
Optional. The parameters that govern the prediction.
</pre>

<code>
.google.cloud.vertexai.v1.Tensor parameters = 3 [(.google.api.field_behavior) = OPTIONAL];
</code>
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/StreamDirectPredictRequest.java