--- /dev/null
+// Copyright 2018 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.cloud.automl.v1beta1;
+
+import "google/api/annotations.proto";
+import "google/cloud/automl/v1beta1/model.proto";
+import "google/cloud/automl/v1beta1/model_evaluation.proto";
+import "google/protobuf/empty.proto";
+import "google/protobuf/timestamp.proto";
+import "google/rpc/status.proto";
+
+option go_package = "google.golang.org/genproto/googleapis/cloud/automl/v1beta1;automl";
+option java_multiple_files = true;
+option java_package = "com.google.cloud.automl.v1beta1";
+option php_namespace = "Google\\Cloud\\AutoMl\\V1beta1";
+
+// Metadata used across all long running operations returned by AutoML API.
+message OperationMetadata {
+ // Ouptut only. Details of specific operation. Even if this field is empty,
+ // the presence allows to distinguish different types of operations.
+ oneof details {
+ // Details of CreateModel operation.
+ CreateModelOperationMetadata create_model_details = 10;
+ }
+
+ // Output only. Progress of operation. Range: [0, 100].
+ int32 progress_percent = 13;
+
+ // Output only. Partial failures encountered.
+ // E.g. single files that couldn't be read.
+ // This field should never exceed 20 entries.
+ // Status details field will contain standard GCP error details.
+ repeated google.rpc.Status partial_failures = 2;
+
+ // Output only. Time when the operation was created.
+ google.protobuf.Timestamp create_time = 3;
+
+ // Output only. Time when the operation was updated for the last time.
+ google.protobuf.Timestamp update_time = 4;
+}
+
+// Details of CreateModel operation.
+message CreateModelOperationMetadata {}