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

Calculating dependencies ... done!
Dependency resolution took 1.10 s (backtrack: 0/20).

[ebuild  N     ] dev-libs/libev-4.33::gentoo  USE="-static-libs" 557 KiB
[ebuild  N     ] x11-misc/xkeyboard-config-2.48::gentoo  USE="-test" 931 KiB
[ebuild  N     ] x11-libs/xcb-util-0.4.1::gentoo  262 KiB
[ebuild  N     ] x11-libs/libxkbcommon-1.13.2::gentoo  USE="X -doc -static-libs -test -tools -wayland" 1215 KiB
[ebuild  N     ] x11-libs/xcb-util-image-0.4.1::gentoo  283 KiB
[ebuild  N     ] x11-libs/xcb-util-xrm-1.3-r2::gentoo  320 KiB
[ebuild  N     ] x11-misc/i3lock-2.16::gentoo  30 KiB

Total: 7 packages (7 new), Size of downloads: 3595 KiB