code: @BetaApi(
        "The surface for long-running operations is not stable yet and may change in the future.")
    public final OperationFuture<Empty, OperationMetadata> deleteModelAsync(
        DeleteModelRequest request) {
      return deleteModelOperationCallable().futureCall(request);
    }
docs: Deletes a model. Returns `google.protobuf.Empty` in the
  [response][google.longrunning.Operation.response] field when it completes, and `delete_details`
  in the [metadata][google.longrunning.Operation.metadata] field.
  
  <p>Sample code:
  
  <pre><code>
  try (AutoMlClient autoMlClient = AutoMlClient.create()) {
  ModelName name = ModelName.of("[PROJECT]", "[LOCATION]", "[MODEL]");
  DeleteModelRequest request = DeleteModelRequest.newBuilder()
  .setName(name.toString())
  .build();
  autoMlClient.deleteModelAsync(request).get();
  }
  </code></pre>
  
  @param request The request object containing all of the parameters for the API call.
  @throws com.google.api.gax.rpc.ApiException if the remote call fails