private com.google.protobuf.SingleFieldBuilderV3<
            com.google.protobuf.Value,
            com.google.protobuf.Value.Builder,
            com.google.protobuf.ValueOrBuilder>
        getParametersFieldBuilder() {
      if (parametersBuilder_ == null) {
        parametersBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.protobuf.Value,
                com.google.protobuf.Value.Builder,
                com.google.protobuf.ValueOrBuilder>(
                getParameters(), getParentForChildren(), isClean());
        parameters_ = null;
      }
      return parametersBuilder_;
    }
<pre>
The parameters that govern the prediction. The schema of the parameters may
be specified via Endpoint's DeployedModels' [Model's
][google.cloud.aiplatform.v1.DeployedModel.model]
[PredictSchemata's][google.cloud.aiplatform.v1.Model.predict_schemata]
[parameters_schema_uri][google.cloud.aiplatform.v1.PredictSchemata.parameters_schema_uri].
</pre>

<code>.google.protobuf.Value parameters = 3;</code>
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PredictRequest.java