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

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

Rename virtual/interface member IActivity.Stop() so that it no longer conflicts with the reserved language keyword 'Stop'. Using a reserved keyword as the name of a virtual/interface member makes it harder for consumers in other languages to override/implement the member. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1716)

Prefer comparing 'Count' to 0 rather than using 'Any()', both for clarity and for performance (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1860)