Updated generated files.

Author: aws-sdk-dotnet-automation

sdk/src/Services/ACMPCA/Generated/Model/ASN1Subject.cs

@@ -111,6 +111,11 @@ internal bool IsSetCountry()
         /// Custom attributes cannot be used in combination with standard attributes.
         /// </para>
         ///  </note>
+        /// <para />
+        /// Starting with version 4 of the SDK this property will default to null. If no data for this property is returned
+        /// from the service the property will also be null. This was changed to improve performance and allow the SDK and caller
+        /// to distinguish between a property not set or a property being empty to clear out a value. To retain the previous
+        /// SDK behavior set the AWSConfigs.InitializeCollections static property to true.
         /// </summary>
         [AWSProperty(Min=1, Max=150)]
         public List<CustomAttribute> CustomAttributes

sdk/src/Services/ACMPCA/Generated/Model/CreateCertificateAuthorityRequest.cs

@@ -229,6 +229,11 @@ internal bool IsSetRevocationConfiguration()
         /// see <a href="https://docs.aws.amazon.com/IAM/latest/UserGuide/access_iam-tags.html">Controlling
         /// Access Using IAM Tags</a>.
         /// </para>
+        /// <para />
+        /// Starting with version 4 of the SDK this property will default to null. If no data for this property is returned
+        /// from the service the property will also be null. This was changed to improve performance and allow the SDK and caller
+        /// to distinguish between a property not set or a property being empty to clear out a value. To retain the previous
+        /// SDK behavior set the AWSConfigs.InitializeCollections static property to true.
         /// </summary>
         [AWSProperty(Min=1, Max=50)]
         public List<Tag> Tags

sdk/src/Services/ACMPCA/Generated/Model/CreatePermissionRequest.cs

@@ -79,6 +79,11 @@ public partial class CreatePermissionRequest : AmazonACMPCARequest
         /// The actions that the specified Amazon Web Services service principal can use. These
         /// include <c>IssueCertificate</c>, <c>GetCertificate</c>, and <c>ListPermissions</c>.
         /// </para>
+        /// <para />
+        /// Starting with version 4 of the SDK this property will default to null. If no data for this property is returned
+        /// from the service the property will also be null. This was changed to improve performance and allow the SDK and caller
+        /// to distinguish between a property not set or a property being empty to clear out a value. To retain the previous
+        /// SDK behavior set the AWSConfigs.InitializeCollections static property to true.
         /// </summary>
         [AWSProperty(Required=true, Min=1, Max=3)]
         public List<string> Actions

sdk/src/Services/ACMPCA/Generated/Model/CsrExtensions.cs

@@ -63,6 +63,11 @@ internal bool IsSetKeyUsage()
         /// such as revocation and policy. For more information, see <a href="https://datatracker.ietf.org/doc/html/rfc5280#section-4.2.2.2">Subject
         /// Information Access</a> in RFC 5280.
         /// </para>
+        /// <para />
+        /// Starting with version 4 of the SDK this property will default to null. If no data for this property is returned
+        /// from the service the property will also be null. This was changed to improve performance and allow the SDK and caller
+        /// to distinguish between a property not set or a property being empty to clear out a value. To retain the previous
+        /// SDK behavior set the AWSConfigs.InitializeCollections static property to true.
         /// </summary>
         public List<AccessDescription> SubjectInformationAccess
         {

sdk/src/Services/ACMPCA/Generated/Model/Extensions.cs

@@ -54,6 +54,11 @@ public partial class Extensions
         /// was issued and the purposes for which it may be used. In a CA certificate, these terms
         /// limit the set of policies for certification paths that include this certificate.
         /// </para>
+        /// <para />
+        /// Starting with version 4 of the SDK this property will default to null. If no data for this property is returned
+        /// from the service the property will also be null. This was changed to improve performance and allow the SDK and caller
+        /// to distinguish between a property not set or a property being empty to clear out a value. To retain the previous
+        /// SDK behavior set the AWSConfigs.InitializeCollections static property to true.
         /// </summary>
         [AWSProperty(Min=1, Max=20)]
         public List<PolicyInformation> CertificatePolicies
@@ -75,6 +80,11 @@ internal bool IsSetCertificatePolicies()
         /// object identifier (OID), a base64-encoded value, and the critical flag. For more information,
         /// see the <a href="https://oidref.com/2.5.29">Global OID reference database.</a> 
         /// </para>
+        /// <para />
+        /// Starting with version 4 of the SDK this property will default to null. If no data for this property is returned
+        /// from the service the property will also be null. This was changed to improve performance and allow the SDK and caller
+        /// to distinguish between a property not set or a property being empty to clear out a value. To retain the previous
+        /// SDK behavior set the AWSConfigs.InitializeCollections static property to true.
         /// </summary>
         [AWSProperty(Min=1, Max=150)]
         public List<CustomExtension> CustomExtensions
@@ -95,6 +105,11 @@ internal bool IsSetCustomExtensions()
         /// Specifies additional purposes for which the certified public key may be used other
         /// than basic purposes indicated in the <c>KeyUsage</c> extension.
         /// </para>
+        /// <para />
+        /// Starting with version 4 of the SDK this property will default to null. If no data for this property is returned
+        /// from the service the property will also be null. This was changed to improve performance and allow the SDK and caller
+        /// to distinguish between a property not set or a property being empty to clear out a value. To retain the previous
+        /// SDK behavior set the AWSConfigs.InitializeCollections static property to true.
         /// </summary>
         [AWSProperty(Min=1, Max=20)]
         public List<ExtendedKeyUsage> ExtendedKeyUsage
@@ -131,6 +146,11 @@ internal bool IsSetKeyUsage()
         /// of the certificate. These identities may be included in addition to or in place of
         /// the identity in the subject field of the certificate.
         /// </para>
+        /// <para />
+        /// Starting with version 4 of the SDK this property will default to null. If no data for this property is returned
+        /// from the service the property will also be null. This was changed to improve performance and allow the SDK and caller
+        /// to distinguish between a property not set or a property being empty to clear out a value. To retain the previous
+        /// SDK behavior set the AWSConfigs.InitializeCollections static property to true.
         /// </summary>
         [AWSProperty(Min=1, Max=150)]
         public List<GeneralName> SubjectAlternativeNames

sdk/src/Services/ACMPCA/Generated/Model/ListCertificateAuthoritiesResponse.cs

@@ -42,6 +42,11 @@ public partial class ListCertificateAuthoritiesResponse : AmazonWebServiceRespon
         /// <para>
         /// Summary information about each certificate authority you have created.
         /// </para>
+        /// <para />
+        /// Starting with version 4 of the SDK this property will default to null. If no data for this property is returned
+        /// from the service the property will also be null. This was changed to improve performance and allow the SDK and caller
+        /// to distinguish between a property not set or a property being empty to clear out a value. To retain the previous
+        /// SDK behavior set the AWSConfigs.InitializeCollections static property to true.
         /// </summary>
         public List<CertificateAuthority> CertificateAuthorities
         {

sdk/src/Services/ACMPCA/Generated/Model/ListPermissionsResponse.cs

@@ -63,6 +63,11 @@ internal bool IsSetNextToken()
         /// Summary information about each permission assigned by the specified private CA, including
         /// the action enabled, the policy provided, and the time of creation.
         /// </para>
+        /// <para />
+        /// Starting with version 4 of the SDK this property will default to null. If no data for this property is returned
+        /// from the service the property will also be null. This was changed to improve performance and allow the SDK and caller
+        /// to distinguish between a property not set or a property being empty to clear out a value. To retain the previous
+        /// SDK behavior set the AWSConfigs.InitializeCollections static property to true.
         /// </summary>
         [AWSProperty(Min=0)]
         public List<Permission> Permissions

sdk/src/Services/ACMPCA/Generated/Model/ListTagsResponse.cs

@@ -62,6 +62,11 @@ internal bool IsSetNextToken()
         /// <para>
         /// The tags associated with your private CA.
         /// </para>
+        /// <para />
+        /// Starting with version 4 of the SDK this property will default to null. If no data for this property is returned
+        /// from the service the property will also be null. This was changed to improve performance and allow the SDK and caller
+        /// to distinguish between a property not set or a property being empty to clear out a value. To retain the previous
+        /// SDK behavior set the AWSConfigs.InitializeCollections static property to true.
         /// </summary>
         [AWSProperty(Min=1, Max=50)]
         public List<Tag> Tags

sdk/src/Services/ACMPCA/Generated/Model/Permission.cs

@@ -54,6 +54,11 @@ public partial class Permission
         /// The private CA actions that can be performed by the designated Amazon Web Services
         /// service.
         /// </para>
+        /// <para />
+        /// Starting with version 4 of the SDK this property will default to null. If no data for this property is returned
+        /// from the service the property will also be null. This was changed to improve performance and allow the SDK and caller
+        /// to distinguish between a property not set or a property being empty to clear out a value. To retain the previous
+        /// SDK behavior set the AWSConfigs.InitializeCollections static property to true.
         /// </summary>
         [AWSProperty(Min=1, Max=3)]
         public List<string> Actions

sdk/src/Services/ACMPCA/Generated/Model/PolicyInformation.cs

@@ -64,6 +64,11 @@ internal bool IsSetCertPolicyId()
         /// Modifies the given <c>CertPolicyId</c> with a qualifier. Amazon Web Services Private
         /// CA supports the certification practice statement (CPS) qualifier.
         /// </para>
+        /// <para />
+        /// Starting with version 4 of the SDK this property will default to null. If no data for this property is returned
+        /// from the service the property will also be null. This was changed to improve performance and allow the SDK and caller
+        /// to distinguish between a property not set or a property being empty to clear out a value. To retain the previous
+        /// SDK behavior set the AWSConfigs.InitializeCollections static property to true.
         /// </summary>
         [AWSProperty(Min=1, Max=20)]
         public List<PolicyQualifierInfo> PolicyQualifiers