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

Calculating dependencies ... done!
Dependency resolution took 1.00 s (backtrack: 0/20).

[ebuild  N     ] dev-libs/tree-sitter-0.25.10:0/0.25.10::gentoo  845 KiB
[ebuild  N     ] dev-util/tree-sitter-cli-0.25.10::gentoo  USE="-debug" 22059 KiB

Total: 2 packages (2 new), Size of downloads: 22904 KiB