/usr/share/mlt/feeds/PAL/example.properties is in libmlt-data 0.9.0-3.
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 | greyscale=greyscale
.description=Greyscale
sepia=sepia
.description=Sepia
charcoal=charcoal
.description=Charcoal
invert=invert
.description=Invert
|