/usr/lib/uck/hfs.map is in uck 2.4.7-0ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 | # ext. xlate creator type comment
.hqx Ascii 'BnHx' 'TEXT' "BinHex file"
.sit Raw 'SIT!' 'SITD' "StuffIT Expander"
.mov Raw 'TVOD' 'MooV' "QuickTime Movie"
.deb Raw 'Debn' 'bina' "Debian package"
.bin Raw 'ddsk' 'DDim' "Floppy or ramdisk image"
.img Raw 'ddsk' 'DDim' "Floppy or ramdisk image"
.b Raw 'UNIX' 'tbxi' "bootstrap"
yaboot Raw 'UNIX' 'boot' "bootstrap"
vmlinux Raw 'UNIX' 'boot' "bootstrap"
.conf Raw 'UNIX' 'conf' "bootstrap"
* Ascii '????' '????' "Text file"
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