/usr/share/wireshark/profiles/Bluetooth/preferences is in libwireshark-data 2.4.5-1.
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 13 14 15 16 17 18 19 | ####### User Interface: Columns ########
# Packet list column format
# Each pair of strings consists of a column title and its format
gui.column.format:
"No.", "%m",
"Time", "%Yt",
"Delta", "%Gt",
"Source", "%s",
"Destination", "%d",
"Protocol", "%p",
"Length", "%L",
"Info", "%i"
####### User Interface: Layout ########
# Layout type (1-6)
# A decimal number
gui.layout_type: 3
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