@java.lang.Override
  public int hashCode() {
    if (memoizedHashCode != 0) {
      return memoizedHashCode;
    }
    int hash = 41;
    hash = (19 * hash) + getDescriptor().hashCode();
    if (getPredictionsCount() > 0) {
      hash = (37 * hash) + PREDICTIONS_FIELD_NUMBER;
      hash = (53 * hash) + getPredictionsList().hashCode();
    }
    hash = (37 * hash) + DEPLOYED_MODEL_ID_FIELD_NUMBER;
    hash = (53 * hash) + getDeployedModelId().hashCode();
    hash = (37 * hash) + MODEL_FIELD_NUMBER;
    hash = (53 * hash) + getModel().hashCode();
    hash = (37 * hash) + MODEL_VERSION_ID_FIELD_NUMBER;
    hash = (53 * hash) + getModelVersionId().hashCode();
    hash = (37 * hash) + MODEL_DISPLAY_NAME_FIELD_NUMBER;
    hash = (53 * hash) + getModelDisplayName().hashCode();
    if (hasMetadata()) {
      hash = (37 * hash) + METADATA_FIELD_NUMBER;
      hash = (53 * hash) + getMetadata().hashCode();
    }
    hash = (29 * hash) + getUnknownFields().hashCode();
    memoizedHashCode = hash;
    return hash;
  }
<pre>
Output only. Request-level metadata returned by the model. The metadata
type will be dependent upon the model implementation.
</pre>

<code>.google.protobuf.Value metadata = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PredictResponse.java