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

Calculating dependencies ... done!
Dependency resolution took 0.97 s (backtrack: 0/20).

[ebuild  N     ] sci-libs/proj-9.4.1:0/9::gentoo  USE="tiff -curl -test" 723944 KiB

Total: 1 package (1 new), Size of downloads: 723944 KiB