Hash::Layout provides deep hashes with a predefined number of levels which you can access using special "composite keys". These are essentially string paths that inflate into actual hash keys according to the defined levels and delimiter mappings, which can be the same or different for each level. This is useful both for shorter keys as well as merge/fallback to default values, such as when defining overlapping configs ranging from broad to narrowing scope.
sudo dnf install --refresh --advisory=FEDORA-2015-11775 \*
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