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

Calculating dependencies ... done!
Dependency resolution took 1.08 s (backtrack: 0/20).

[ebuild  N     ] net-libs/libssh-0.12.2:0/4::gentoo  USE="sftp zlib -debug -examples -fido2 -gssapi -mbedtls -pcap -server -static-libs -test -verify-sig" 742 KiB
[ebuild  N     ] net-ftp/yafc-1.3.7-r2::gentoo  USE="readline ssh -kerberos -socks5" 232 KiB

Total: 2 packages (2 new), Size of downloads: 974 KiB