| Index: generated/googleapis_beta/lib/dns/v2beta1.dart
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| diff --git a/generated/googleapis_beta/lib/dns/v2beta1.dart b/generated/googleapis_beta/lib/dns/v2beta1.dart
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| index 76014df5b2576fd1835621a4783b2e384ede1143..c469dca9b39b406d3f34ad829eb491001a0818a6 100644
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| --- a/generated/googleapis_beta/lib/dns/v2beta1.dart
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| +++ b/generated/googleapis_beta/lib/dns/v2beta1.dart
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| @@ -1027,8 +1027,8 @@ class Change {
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|      }
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|    }
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|  
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| -  core.Map toJson() {
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| -    var _json = new core.Map();
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| +  core.Map<core.String, core.Object> toJson() {
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| +    final core.Map<core.String, core.Object> _json = new core.Map<core.String, core.Object>();
 | 
|      if (additions != null) {
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|        _json["additions"] = additions.map((value) => (value).toJson()).toList();
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|      }
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| @@ -1095,8 +1095,8 @@ class ChangesListResponse {
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|      }
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|    }
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|  
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| -  core.Map toJson() {
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| -    var _json = new core.Map();
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| +  core.Map<core.String, core.Object> toJson() {
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| +    final core.Map<core.String, core.Object> _json = new core.Map<core.String, core.Object>();
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|      if (changes != null) {
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|        _json["changes"] = changes.map((value) => (value).toJson()).toList();
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|      }
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| @@ -1220,8 +1220,8 @@ class DnsKey {
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|      }
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|    }
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|  
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| -  core.Map toJson() {
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| -    var _json = new core.Map();
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| +  core.Map<core.String, core.Object> toJson() {
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| +    final core.Map<core.String, core.Object> _json = new core.Map<core.String, core.Object>();
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|      if (algorithm != null) {
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|        _json["algorithm"] = algorithm;
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|      }
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| @@ -1285,8 +1285,8 @@ class DnsKeyDigest {
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|      }
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|    }
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|  
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| -  core.Map toJson() {
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| -    var _json = new core.Map();
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| +  core.Map<core.String, core.Object> toJson() {
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| +    final core.Map<core.String, core.Object> _json = new core.Map<core.String, core.Object>();
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|      if (digest != null) {
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|        _json["digest"] = digest;
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|      }
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| @@ -1348,8 +1348,8 @@ class DnsKeySpec {
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|      }
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|    }
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|  
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| -  core.Map toJson() {
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| -    var _json = new core.Map();
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| +  core.Map<core.String, core.Object> toJson() {
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| +    final core.Map<core.String, core.Object> _json = new core.Map<core.String, core.Object>();
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|      if (algorithm != null) {
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|        _json["algorithm"] = algorithm;
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|      }
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| @@ -1404,8 +1404,8 @@ class DnsKeysListResponse {
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|      }
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|    }
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|  
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| -  core.Map toJson() {
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| -    var _json = new core.Map();
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| +  core.Map<core.String, core.Object> toJson() {
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| +    final core.Map<core.String, core.Object> _json = new core.Map<core.String, core.Object>();
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|      if (dnsKeys != null) {
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|        _json["dnsKeys"] = dnsKeys.map((value) => (value).toJson()).toList();
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|      }
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| @@ -1501,8 +1501,8 @@ class ManagedZone {
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|      }
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|    }
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|  
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| -  core.Map toJson() {
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| -    var _json = new core.Map();
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| +  core.Map<core.String, core.Object> toJson() {
 | 
| +    final core.Map<core.String, core.Object> _json = new core.Map<core.String, core.Object>();
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|      if (creationTime != null) {
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|        _json["creationTime"] = creationTime;
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|      }
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| @@ -1579,8 +1579,8 @@ class ManagedZoneDnsSecConfig {
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|      }
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|    }
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|  
 | 
| -  core.Map toJson() {
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| -    var _json = new core.Map();
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| +  core.Map<core.String, core.Object> toJson() {
 | 
| +    final core.Map<core.String, core.Object> _json = new core.Map<core.String, core.Object>();
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|      if (defaultKeySpecs != null) {
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|        _json["defaultKeySpecs"] = defaultKeySpecs.map((value) => (value).toJson()).toList();
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|      }
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| @@ -1634,8 +1634,8 @@ class ManagedZoneOperationsListResponse {
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|      }
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|    }
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|  
 | 
| -  core.Map toJson() {
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| -    var _json = new core.Map();
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| +  core.Map<core.String, core.Object> toJson() {
 | 
| +    final core.Map<core.String, core.Object> _json = new core.Map<core.String, core.Object>();
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|      if (header != null) {
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|        _json["header"] = (header).toJson();
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|      }
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| @@ -1663,8 +1663,8 @@ class ManagedZonesDeleteResponse {
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|      }
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|    }
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|  
 | 
| -  core.Map toJson() {
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| -    var _json = new core.Map();
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| +  core.Map<core.String, core.Object> toJson() {
 | 
| +    final core.Map<core.String, core.Object> _json = new core.Map<core.String, core.Object>();
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|      if (header != null) {
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|        _json["header"] = (header).toJson();
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|      }
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| @@ -1709,8 +1709,8 @@ class ManagedZonesListResponse {
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|      }
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|    }
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|  
 | 
| -  core.Map toJson() {
 | 
| -    var _json = new core.Map();
 | 
| +  core.Map<core.String, core.Object> toJson() {
 | 
| +    final core.Map<core.String, core.Object> _json = new core.Map<core.String, core.Object>();
 | 
|      if (header != null) {
 | 
|        _json["header"] = (header).toJson();
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|      }
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| @@ -1804,8 +1804,8 @@ class Operation {
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|      }
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|    }
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|  
 | 
| -  core.Map toJson() {
 | 
| -    var _json = new core.Map();
 | 
| +  core.Map<core.String, core.Object> toJson() {
 | 
| +    final core.Map<core.String, core.Object> _json = new core.Map<core.String, core.Object>();
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|      if (dnsKeyContext != null) {
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|        _json["dnsKeyContext"] = (dnsKeyContext).toJson();
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|      }
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| @@ -1851,8 +1851,8 @@ class OperationDnsKeyContext {
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|      }
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|    }
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|  
 | 
| -  core.Map toJson() {
 | 
| -    var _json = new core.Map();
 | 
| +  core.Map<core.String, core.Object> toJson() {
 | 
| +    final core.Map<core.String, core.Object> _json = new core.Map<core.String, core.Object>();
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|      if (newValue != null) {
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|        _json["newValue"] = (newValue).toJson();
 | 
|      }
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| @@ -1880,8 +1880,8 @@ class OperationManagedZoneContext {
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|      }
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|    }
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|  
 | 
| -  core.Map toJson() {
 | 
| -    var _json = new core.Map();
 | 
| +  core.Map<core.String, core.Object> toJson() {
 | 
| +    final core.Map<core.String, core.Object> _json = new core.Map<core.String, core.Object>();
 | 
|      if (newValue != null) {
 | 
|        _json["newValue"] = (newValue).toJson();
 | 
|      }
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| @@ -1930,8 +1930,8 @@ class Project {
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|      }
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|    }
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|  
 | 
| -  core.Map toJson() {
 | 
| -    var _json = new core.Map();
 | 
| +  core.Map<core.String, core.Object> toJson() {
 | 
| +    final core.Map<core.String, core.Object> _json = new core.Map<core.String, core.Object>();
 | 
|      if (id != null) {
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|        _json["id"] = id;
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|      }
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| @@ -2012,8 +2012,8 @@ class Quota {
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|      }
 | 
|    }
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|  
 | 
| -  core.Map toJson() {
 | 
| -    var _json = new core.Map();
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| +  core.Map<core.String, core.Object> toJson() {
 | 
| +    final core.Map<core.String, core.Object> _json = new core.Map<core.String, core.Object>();
 | 
|      if (dnsKeysPerManagedZone != null) {
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|        _json["dnsKeysPerManagedZone"] = dnsKeysPerManagedZone;
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|      }
 | 
| @@ -2091,8 +2091,8 @@ class ResourceRecordSet {
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|      }
 | 
|    }
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|  
 | 
| -  core.Map toJson() {
 | 
| -    var _json = new core.Map();
 | 
| +  core.Map<core.String, core.Object> toJson() {
 | 
| +    final core.Map<core.String, core.Object> _json = new core.Map<core.String, core.Object>();
 | 
|      if (kind != null) {
 | 
|        _json["kind"] = kind;
 | 
|      }
 | 
| @@ -2152,8 +2152,8 @@ class ResourceRecordSetsListResponse {
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|      }
 | 
|    }
 | 
|  
 | 
| -  core.Map toJson() {
 | 
| -    var _json = new core.Map();
 | 
| +  core.Map<core.String, core.Object> toJson() {
 | 
| +    final core.Map<core.String, core.Object> _json = new core.Map<core.String, core.Object>();
 | 
|      if (header != null) {
 | 
|        _json["header"] = (header).toJson();
 | 
|      }
 | 
| @@ -2187,8 +2187,8 @@ class ResponseHeader {
 | 
|      }
 | 
|    }
 | 
|  
 | 
| -  core.Map toJson() {
 | 
| -    var _json = new core.Map();
 | 
| +  core.Map<core.String, core.Object> toJson() {
 | 
| +    final core.Map<core.String, core.Object> _json = new core.Map<core.String, core.Object>();
 | 
|      if (operationId != null) {
 | 
|        _json["operationId"] = operationId;
 | 
|      }
 | 
| 
 |