The following actions uses node12 which is deprecated and will be forced to run on node16: actions/checkout@v2, actions/setup-dotnet@v1, codecov/codecov-action@v2. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/

'IMessageSerializer.ContentType' hides inherited member 'ISerializer.ContentType'. Use the new keyword if hiding was intended.

Possible null reference return.

File is required to end with a single newline character (https://github.com/DotNetAnalyzers/StyleCopAnalyzers/blob/master/documentation/SA1518.md)

Code should not contain multiple blank lines in a row (https://github.com/DotNetAnalyzers/StyleCopAnalyzers/blob/master/documentation/SA1507.md)

Closing brace should be followed by blank line (https://github.com/DotNetAnalyzers/StyleCopAnalyzers/blob/master/documentation/SA1513.md)

File is required to end with a single newline character (https://github.com/DotNetAnalyzers/StyleCopAnalyzers/blob/master/documentation/SA1518.md)

Rename namespace BuildingBlocks.Abstractions.CQRS.Event so that it no longer conflicts with the reserved language keyword 'Event'. Using a reserved keyword as the name of a namespace makes it harder for consumers in other languages to use the namespace. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1716)

Rename namespace BuildingBlocks.Abstractions.CQRS.Event.Internal so that it no longer conflicts with the reserved language keyword 'Event'. Using a reserved keyword as the name of a namespace makes it harder for consumers in other languages to use the namespace. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1716)

Rename type name IEventHandler so that it does not end in 'EventHandler' (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1711)