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

The 'ref' modifier for argument 2 corresponding to 'in' parameter is equivalent to 'in'. Consider using 'in' instead.

The 'ref' modifier for argument 2 corresponding to 'in' parameter is equivalent to 'in'. Consider using 'in' instead.

'DefaultChannelPipeline.TailContext.SkipFlags' hides inherited member 'AbstractChannelHandlerContext.SkipFlags'. Use the new keyword if hiding was intended.

'DefaultChannelPipeline.HeadContext.SkipFlags' hides inherited member 'AbstractChannelHandlerContext.SkipFlags'. Use the new keyword if hiding was intended.

Because this call is not awaited, execution of the current method continues before the call is completed. Consider applying the 'await' operator to the result of the call.

Do not use Assert.True(false, message) to fail a test. Use Assert.Fail(message) instead. (https://xunit.net/xunit.analyzers/rules/xUnit2020)

Re-throwing caught exception changes stack information (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca2200)

Because this call is not awaited, execution of the current method continues before the call is completed. Consider applying the 'await' operator to the result of the call.