/usr/share/bash-completion/completions/uuidd is in uuid-runtime 2.29.2-1+deb9u1.
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 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 | _uuidd_module()
{
	local cur prev OPTS
	COMPREPLY=()
	cur="${COMP_WORDS[COMP_CWORD]}"
	prev="${COMP_WORDS[COMP_CWORD-1]}"
	case $prev in
		'-p'|'--pid'|'-s'|'--socket')
			local IFS=$'\n'
			compopt -o filenames
			COMPREPLY=( $(compgen -f -- $cur) )
			return 0
			;;
		'-T'|'--timeout')
			local IFS=$'\n'
			compopt -o filenames
			COMPREPLY=( $(compgen -W "timeout" -- $cur) )
			return 0
			;;
		'-n'|'--uuids')
			local IFS=$'\n'
			compopt -o filenames
			COMPREPLY=( $(compgen -W "number" -- $cur) )
			return 0
			;;
		'-h'|'--help'|'-V'|'--version')
			return 0
			;;
	esac
	case $cur in
		-*)
			OPTS="--pid --socket --timeout --kill --random --time --uuids --no-pid --no-fork --socket-activation --debug --quiet --version --help"
			COMPREPLY=( $(compgen -W "${OPTS[*]}" -- $cur) )
			return 0
			;;
	esac
	return 0
}
complete -F _uuidd_module uuidd
 |