syntax = "proto3";

package tensorflow.serving;
option cc_enable_arenas = true;

import "tensorflow_serving/apis/classification.proto";
import "tensorflow_serving/apis/get_model_metadata.proto";
import "tensorflow_serving/apis/inference.proto";
import "tensorflow_serving/apis/predict.proto";
import "tensorflow_serving/apis/regression.proto";

// open source marker; do not remove
// PredictionService provides access to machine-learned models loaded by
// model_servers.
service PredictionService {
  // Classify.
  rpc Classify(ClassificationRequest) returns (ClassificationResponse);

  // Regress.
  rpc Regress(RegressionRequest) returns (RegressionResponse);

  // Predict -- provides access to loaded TensorFlow model.
  rpc Predict(PredictRequest) returns (PredictResponse);

  // MultiInference API for multi-headed models.
  rpc MultiInference(MultiInferenceRequest) returns (MultiInferenceResponse);

  // GetModelMetadata - provides access to metadata for loaded models.
  rpc GetModelMetadata(GetModelMetadataRequest)
      returns (GetModelMetadataResponse);
}