Single line comment should begin with a space

The annotation for nullable reference types should only be used in code within a '#nullable' annotations context.

The annotation for nullable reference types should only be used in code within a '#nullable' annotations context.

The annotation for nullable reference types should only be used in code within a '#nullable' annotations context.

The annotation for nullable reference types should only be used in code within a '#nullable' annotations context.

The annotation for nullable reference types should only be used in code within a '#nullable' annotations context.

The annotation for nullable reference types should only be used in code within a '#nullable' annotations context.

The annotation for nullable reference types should only be used in code within a '#nullable' annotations context.

The annotation for nullable reference types should only be used in code within a '#nullable' annotations context.

The annotation for nullable reference types should only be used in code within a '#nullable' annotations context.

.NET Core 2.1 is no longer supported and will not receive security updates in the future. Please refer to https://aka.ms/dotnet-core-support for more information about the .NET support policy.

.NET Core 3.1 is no longer supported and will not receive security updates in the future. Please refer to https://aka.ms/dotnet-core-support for more information about the .NET support policy.

.NET 5.0 is no longer supported and will not receive security updates in the future. Please refer to https://aka.ms/dotnet-core-support for more information about the .NET support policy.