@io.grpc.ExperimentalApi("https://github.com/grpc/grpc-java/issues/10918")
    public io.grpc.stub.BlockingClientCall<
            com.google.cloud.vertexai.api.StreamDirectRawPredictRequest,
            com.google.cloud.vertexai.api.StreamDirectRawPredictResponse>
        streamDirectRawPredict() {
      return io.grpc.stub.ClientCalls.blockingBidiStreamingCall(
          getChannel(), getStreamDirectRawPredictMethod(), getCallOptions());
    }
<pre>
Perform a streaming online prediction request to a gRPC model server for
custom containers.
</pre>
java-vertexai/grpc-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PredictionServiceGrpc.java