All C# extension methods for type dictionary
Increment counter at the key passed as argument. Dictionary is <TKey, Int>
Merges two dictionaries
Sort Dictionary by Key or Value, Ascending/descending
You should have this already: https://learn.microsoft.com/en-us/dotnet/api/system.collections.generic.dictionary-2.tryadd?view=net-7.0 but this is not always available in all environments.