Unexpected input(s) 'submodules', valid inputs are ['dotnet-version', 'dotnet-quality', 'global-json-file', 'source-url', 'owner', 'config-file', 'cache', 'cache-dependency-path']

Unexpected input(s) 'submodules', valid inputs are ['dotnet-version', 'dotnet-quality', 'global-json-file', 'source-url', 'owner', 'config-file', 'cache', 'cache-dependency-path']

'Exception.Exception(SerializationInfo, StreamingContext)' is obsolete: 'This API supports obsolete formatter-based serialization. It should not be called or extended by application code.' (https://aka.ms/dotnet-warnings/SYSLIB0051)

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

'SubscriberBase.StopAsync(CancellationToken)' hides inherited member 'BackgroundService.StopAsync(CancellationToken)'. To make the current member override that implementation, add the override keyword. Otherwise add the new keyword.

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

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.

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

The field 'MixQueueSubscriber<T>._topic' is never used

The field 'MixQueueSubscriber<T>._startCancellationToken' is never used

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