/usr/share/mlt/core/ is in libmlt-data 0.9.2-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/mlt/core/consumer_multi.yml
/usr/share/mlt/core/data_fx.properties
/usr/share/mlt/core/filter_audiowave.yml
/usr/share/mlt/core/filter_brightness.yml
/usr/share/mlt/core/filter_channelcopy.yml
/usr/share/mlt/core/filter_crop.yml
/usr/share/mlt/core/filter_data_show.yml
/usr/share/mlt/core/filter_fieldorder.yml
/usr/share/mlt/core/filter_gamma.yml
/usr/share/mlt/core/filter_greyscale.yml
/usr/share/mlt/core/filter_luma.yml
/usr/share/mlt/core/filter_mirror.yml
/usr/share/mlt/core/filter_mono.yml
/usr/share/mlt/core/filter_obscure.yml
/usr/share/mlt/core/filter_panner.yml
/usr/share/mlt/core/filter_region.yml
/usr/share/mlt/core/filter_rescale.yml
/usr/share/mlt/core/filter_resize.yml
/usr/share/mlt/core/filter_transition.yml
/usr/share/mlt/core/filter_watermark.yml
/usr/share/mlt/core/loader.dict
/usr/share/mlt/core/loader.ini
/usr/share/mlt/core/producer_colour.yml
/usr/share/mlt/core/producer_consumer.yml
/usr/share/mlt/core/producer_hold.yml
/usr/share/mlt/core/producer_loader.yml
/usr/share/mlt/core/producer_melt.yml
/usr/share/mlt/core/producer_melt_file.yml
/usr/share/mlt/core/producer_noise.yml
/usr/share/mlt/core/transition_composite.yml
/usr/share/mlt/core/transition_luma.yml
/usr/share/mlt/core/transition_matte.yml
/usr/share/mlt/core/transition_mix.yml
/usr/share/mlt/core/transition_region.yml