main
Remove unnecessary imports
Use Append overload for repeating chars
Reapply "Move to .NET 10 Preview 5 (#78906)"
Make sealed
Sort usings
Update c# editor features to use file scoped namespaces
Move more into extensions
Fix typo teh to the (#82237)
Refactoring of extension methods in source packages (#78620) - take 2 (#78894)
Fix issue where we weren't properly preserving indentation when pasting into a string literal