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

Calculating dependencies ... done!
Dependency resolution took 1.02 s (backtrack: 0/20).

[ebuild  N     ] acct-group/valkey-0::gentoo  0 KiB
[ebuild  N     ] acct-user/valkey-0::gentoo  0 KiB
[ebuild  N     ] dev-db/valkey-9.1.2:0/9.1::gentoo  USE="ssl -jemalloc (-systemd) -tcmalloc -test" 4315 KiB

Total: 3 packages (3 new), Size of downloads: 4315 KiB