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

Calculating dependencies ... done!
Dependency resolution took 1.04 s (backtrack: 1/20).

[ebuild  N     ] dev-lang/go-bootstrap-1.24.6::gentoo  USE="(-big-endian)" 71370 KiB
[ebuild  N     ] acct-group/blackbox_exporter-0-r2::gentoo  0 KiB
[ebuild  N     ] dev-lang/go-1.27.2:0/1.27.2::gentoo  CPU_FLAGS_X86="sse2" 34312 KiB
[ebuild  N     ] acct-user/blackbox_exporter-0-r2::gentoo  0 KiB
[ebuild  N     ] dev-util/promu-0.17.0::gentoo  251 KiB
[ebuild  N     ] app-metrics/blackbox_exporter-0.28.0::gentoo  USE="filecaps" 2904 KiB

Total: 6 packages (6 new), Size of downloads: 108835 KiB