Merge pull request #2957 from stefannikolei/sn/ref/collection_express… · SixLabors/ImageSharp@0843217

tests/ImageSharp.Tests/Formats/Icon/Cur/CurEncoderTests.cs#L125

The variable 'xx' is assigned but its value is never used

tests/ImageSharp.Tests/TestUtilities/ImageProviders/BlankProvider.cs#L24

'TestImageProvider<TPixel>.TestImageProvider()' is obsolete: 'Called by the de-serializer; should only be called by deriving classes for de-serialization purposes'

tests/ImageSharp.Tests/TestUtilities/ImageProviders/BlankProvider.cs#L15

'TestImageProvider<TPixel>.TestImageProvider()' is obsolete: 'Called by the de-serializer; should only be called by deriving classes for de-serialization purposes'

tests/ImageSharp.Tests/TestUtilities/ImageProviders/FileProvider.cs#L167

'TestImageProvider<TPixel>.TestImageProvider()' is obsolete: 'Called by the de-serializer; should only be called by deriving classes for de-serialization purposes'

tests/ImageSharp.Tests/TestUtilities/ImageProviders/FileProvider.cs#L163

'TestImageProvider<TPixel>.TestImageProvider()' is obsolete: 'Called by the de-serializer; should only be called by deriving classes for de-serialization purposes'

tests/ImageSharp.Tests/TestUtilities/ImageProviders/MemberMethodProvider.cs#L27

'TestImageProvider<TPixel>.TestImageProvider()' is obsolete: 'Called by the de-serializer; should only be called by deriving classes for de-serialization purposes'

tests/ImageSharp.Tests/TestUtilities/ImageProviders/MemberMethodProvider.cs#L23

'TestImageProvider<TPixel>.TestImageProvider()' is obsolete: 'Called by the de-serializer; should only be called by deriving classes for de-serialization purposes'

tests/ImageSharp.Tests/TestFormat.cs#L180

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

tests/ImageSharp.Tests/Image/MockImageFormatDetector.cs#L21

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

tests/ImageSharp.Benchmarks/LoadResizeSave/LoadResizeSaveStressBenchmarks.cs#L38

Single-line comment should be preceded by blank line (https://github.com/DotNetAnalyzers/StyleCopAnalyzers/blob/master/documentation/SA1515.md)