These are the packages that would be merged, in order:

Calculating dependencies ... done!
Dependency resolution took 0.99 s (backtrack: 0/20).

[ebuild  N     ] dev-dotnet/dotnet-runtime-nugets-9.0.21:9.0.21::gentoo  508894 KiB

Total: 1 package (1 new), Size of downloads: 508894 KiB