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.v3.enums;
  
  import "google/api/annotations.proto";
  
  option csharp_namespace = "Google.Ads.GoogleAds.V3.Enums";
  option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v3/enums;enums";
  option java_multiple_files = true;
  option java_outer_classname = "SharedSetTypeProto";
  option java_package = "com.google.ads.googleads.v3.enums";
  option objc_class_prefix = "GAA";
  option php_namespace = "Google\\Ads\\GoogleAds\\V3\\Enums";
  option ruby_package = "Google::Ads::GoogleAds::V3::Enums";
  
  // Proto file describing shared set types.
  
  // Container for enum describing types of shared sets.
  message SharedSetTypeEnum {
    // Enum listing the possible shared set types.
    enum SharedSetType {
      // Not specified.
      UNSPECIFIED = 0;
  
      // Used for return value only. Represents value unknown in this version.
      UNKNOWN = 1;
  
      // A set of keywords that can be excluded from targeting.
      NEGATIVE_KEYWORDS = 2;
  
      // A set of placements that can be excluded from targeting.
      NEGATIVE_PLACEMENTS = 3;
    }
  
  
  }
  