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

Calculating dependencies ... done!
Dependency resolution took 1.59 s (backtrack: 0/20).

[ebuild  N     ] app-crypt/mhash-0.9.9.9-r4::gentoo  USE="-static-libs" 910 KiB
[ebuild  N     ] dev-db/tokyocabinet-1.4.48-r3::gentoo  USE="bzip2 threads zlib -debug -doc -examples" 978 KiB
[ebuild  NS    ] sys-fs/fuse-2.9.9-r2:0::gentoo [3.18.1:3/4::gentoo] USE="-examples% -static-libs% (-io-uring%) (-suid%*) (-systemtap%) (-test%)" 1774 KiB
[ebuild  N     ] sys-fs/lessfs-1.7.0-r2::gentoo  USE="crypt -berkdb -debug -filelog -lzo -memtrace -snappy" 503 KiB

Total: 4 packages (3 new, 1 in new slot), Size of downloads: 4163 KiB