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

Calculating dependencies ... done!
Dependency resolution took 0.98 s (backtrack: 0/20).

[ebuild  N     ] sci-libs/htslib-1.23.1:0/3::gentoo  USE="bzip2 lzma -curl" 4871 KiB

Total: 1 package (1 new), Size of downloads: 4871 KiB