public Builder mergeParameters(com.google.protobuf.Value value) {
      if (parametersBuilder_ == null) {
        if (((bitField0_ & 0x00000004) != 0)
            && parameters_ != null
            && parameters_ != com.google.protobuf.Value.getDefaultInstance()) {
          getParametersBuilder().mergeFrom(value);
        } else {
          parameters_ = value;
        }
      } else {
        parametersBuilder_.mergeFrom(value);
      }
      if (parameters_ != null) {
        bitField0_ |= 0x00000004;
        onChanged();
      }
      return this;
    }
<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