>>> Emerging : portage://dev-lang/swig-4.2.1:run?{[]}

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

Calculating dependencies... done!

 └─step  1─┤ download  portage://dev-lang/swig-4.2.1
             │           └─ file ─┤ 7.98 Mb  	 swig-4.2.1.tar.gz

 └─step  2─┤ downgrade portage://dev-lang/swig-4.2.1 (replaces pkg://dev-lang/swig-4.3.1)
             │           └─ conf ─┤ USE = "pcre -ccache -doc -test"

 └─step  3─┤ run     portage://dev-lang/swig-4.2.1

Total: 3 actions (1 download, 1 downgrade, 1 run), grouped into 3 steps.
       7.98 Mb to be downloaded.