default io.grpc.stub.StreamObserver<com.google.cloud.vertexai.api.StreamingPredictRequest>
        streamingPredict(
            io.grpc.stub.StreamObserver<com.google.cloud.vertexai.api.StreamingPredictResponse>
                responseObserver) {
      return io.grpc.stub.ServerCalls.asyncUnimplementedStreamingCall(
          getStreamingPredictMethod(), responseObserver);
    }
<pre>
Perform a streaming online prediction request for Vertex first-party
products and frameworks.
</pre>
java-vertexai/grpc-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/PredictionServiceGrpc.java