Make nullable warnings a per file opt-in (#1842)

* Make nullable warnings a per file opt-in

* Remove unneeded compiler directives

* Remove compiler directive for User Data

src/Microsoft.SqlTools.ServiceLayer/DisasterRecovery/CommonUtilities.cs

@@ -3,6 +3,8 @@
 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
 //
 
+#nullable disable
+
 using System;
 using System.Collections;
 using System.Collections.Generic;

src/Microsoft.SqlTools.ServiceLayer/DisasterRecovery/Contracts/BackupConfigInfo.cs

@@ -2,6 +2,8 @@
 // Copyright (c) Microsoft. All rights reserved.
 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
 //
+
+#nullable disable
 using System.Collections.Generic;
 
 namespace Microsoft.SqlTools.ServiceLayer.DisasterRecovery.Contracts

src/Microsoft.SqlTools.ServiceLayer/DisasterRecovery/Contracts/BackupConfigInfoRequest.cs

@@ -2,6 +2,8 @@
 // Copyright (c) Microsoft. All rights reserved.
 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
 //
+
+#nullable disable
 using Microsoft.SqlTools.Hosting.Protocol.Contracts;
 using Microsoft.SqlTools.ServiceLayer.Admin.Contracts;
 

src/Microsoft.SqlTools.ServiceLayer/DisasterRecovery/Contracts/BackupInfo.cs

@@ -3,6 +3,8 @@
 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
 //
 
+#nullable disable
+
 using System;
 using System.Collections.Generic;
 

src/Microsoft.SqlTools.ServiceLayer/DisasterRecovery/Contracts/BackupRequest.cs

@@ -3,6 +3,8 @@
 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
 //
 
+#nullable disable
+
 using Microsoft.SqlTools.Hosting.Protocol.Contracts;
 using Microsoft.SqlTools.ServiceLayer.TaskServices;
 using Microsoft.SqlTools.ServiceLayer.Utility;

src/Microsoft.SqlTools.ServiceLayer/DisasterRecovery/Contracts/DatabaseFileInfo.cs

@@ -3,6 +3,8 @@
 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
 //
 
+#nullable disable
+
 using System.Linq;
 using Microsoft.SqlTools.Utility;
 

src/Microsoft.SqlTools.ServiceLayer/DisasterRecovery/Contracts/LocalizedPropertyInfo.cs

@@ -3,6 +3,8 @@
 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
 //
 
+#nullable disable
+
 using System;
 using System.Globalization;
 

src/Microsoft.SqlTools.ServiceLayer/DisasterRecovery/Contracts/RestoreConfigInfoRequest.cs

@@ -3,6 +3,8 @@
 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
 //
 
+#nullable disable
+
 using System.Collections.Generic;
 using Microsoft.SqlTools.Hosting.Protocol.Contracts;
 

src/Microsoft.SqlTools.ServiceLayer/DisasterRecovery/Contracts/RestorePlanDetailInfo.cs

@@ -3,6 +3,8 @@
 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
 //
 
+#nullable disable
+
 namespace Microsoft.SqlTools.ServiceLayer.DisasterRecovery.Contracts
 {
     /// <summary>

src/Microsoft.SqlTools.ServiceLayer/DisasterRecovery/Contracts/RestorePlanRequest.cs

@@ -3,6 +3,8 @@
 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
 //
 
+#nullable disable
+
 using System.Collections.Generic;
 using Microsoft.SqlTools.Hosting.Protocol.Contracts;
 

src/Microsoft.SqlTools.ServiceLayer/DisasterRecovery/Contracts/RestoreRequest.cs

@@ -3,6 +3,8 @@
 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
 //
 
+#nullable disable
+
 using Microsoft.SqlTools.Hosting.Protocol.Contracts;
 
 namespace Microsoft.SqlTools.ServiceLayer.DisasterRecovery.Contracts

src/Microsoft.SqlTools.ServiceLayer/DisasterRecovery/Contracts/RestoreRequestParams.cs

@@ -3,6 +3,8 @@
 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
 //
 
+#nullable disable
+
 using System.Collections.Generic;
 using Microsoft.SqlServer.Management.Smo;
 using Microsoft.SqlTools.ServiceLayer.TaskServices;

src/Microsoft.SqlTools.ServiceLayer/DisasterRecovery/DisasterRecoveryConstants.cs

@@ -3,6 +3,8 @@
 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
 //
 
+#nullable disable
+
 namespace Microsoft.SqlTools.ServiceLayer.DisasterRecovery
 {
 

src/Microsoft.SqlTools.ServiceLayer/DisasterRecovery/DisasterRecoveryException.cs

@@ -3,6 +3,8 @@
 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
 //
 
+#nullable disable
+
 using System;
 
 namespace Microsoft.SqlTools.ServiceLayer.DisasterRecovery

src/Microsoft.SqlTools.ServiceLayer/DisasterRecovery/DisasterRecoveryFileValidator.cs

@@ -3,6 +3,8 @@
 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
 //
 
+#nullable disable
+
 using System;
 using System.Data;
 using System.Data.Common;

src/Microsoft.SqlTools.ServiceLayer/DisasterRecovery/DisasterRecoveryService.cs

@@ -2,6 +2,8 @@
 // Copyright (c) Microsoft. All rights reserved.
 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
 //
+
+#nullable disable
 using System;
 using Microsoft.Data.SqlClient;
 using System.Diagnostics;

src/Microsoft.SqlTools.ServiceLayer/DisasterRecovery/RestoreOperation/BackupSetInfo.cs

@@ -3,6 +3,8 @@
 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
 //
 
+#nullable disable
+
 using System;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;

src/Microsoft.SqlTools.ServiceLayer/DisasterRecovery/RestoreOperation/BackupSetsFilterInfo.cs

@@ -3,6 +3,8 @@
 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
 //
 
+#nullable disable
+
 using System;
 using System.Collections.Generic;
 using System.Linq;

src/Microsoft.SqlTools.ServiceLayer/DisasterRecovery/RestoreOperation/RestoreDatabaseHelper.cs

@@ -3,6 +3,8 @@
 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
 //
 
+#nullable disable
+
 using System;
 using System.Linq;
 using Microsoft.SqlServer.Management.Common;

src/Microsoft.SqlTools.ServiceLayer/DisasterRecovery/RestoreOperation/RestoreDatabaseTaskDataObject.cs

@@ -3,6 +3,8 @@
 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
 //
 
+#nullable disable
+
 using System;
 using System.Collections.Generic;
 using System.Globalization;

src/Microsoft.SqlTools.ServiceLayer/DisasterRecovery/RestoreOperation/RestoreOptionFactory.cs

@@ -3,6 +3,8 @@
 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
 //
 
+#nullable disable
+
 using System;
 using System.Collections.Generic;
 using System.Diagnostics;

src/Microsoft.SqlTools.ServiceLayer/DisasterRecovery/RestoreOperation/RestoreUtil.cs

@@ -3,6 +3,8 @@
 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
 //
 
+#nullable disable
+
 using System;
 using System.Collections.Generic;
 using System.Data;

src/Microsoft.SqlTools.ServiceLayer/DisasterRecovery/RestoreOperation/UnsupportedDeviceTypeException.cs

@@ -3,6 +3,8 @@
 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
 //
 
+#nullable disable
+
 using System;
 using Microsoft.SqlServer.Management.Smo;
 

src/Microsoft.SqlTools.ServiceLayer/DisasterRecovery/RestoreOptionsHelper.cs

@@ -3,6 +3,8 @@
 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
 //
 
+#nullable disable
+
 using System.Collections.Generic;
 using Microsoft.SqlTools.Hosting.Contracts;
 using Microsoft.SqlTools.ServiceLayer.DisasterRecovery.Contracts;