text: // Copyright 2020 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.ads.googleads.v4.enums;
  
  import "google/api/annotations.proto";
  
  option csharp_namespace = "Google.Ads.GoogleAds.V4.Enums";
  option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v4/enums;enums";
  option java_multiple_files = true;
  option java_outer_classname = "AppPaymentModelTypeProto";
  option java_package = "com.google.ads.googleads.v4.enums";
  option objc_class_prefix = "GAA";
  option php_namespace = "Google\\Ads\\GoogleAds\\V4\\Enums";
  option ruby_package = "Google::Ads::GoogleAds::V4::Enums";
  
  // Proto file describing criteria types.
  
  // Represents a criterion for targeting paid apps.
  message AppPaymentModelTypeEnum {
    // Enum describing possible app payment models.
    enum AppPaymentModelType {
      // Not specified.
      UNSPECIFIED = 0;
  
      // Used for return value only. Represents value unknown in this version.
      UNKNOWN = 1;
  
      // Represents paid-for apps.
      PAID = 30;
    }
  
  
  }
  