This file is indexed.

/usr/lib/pm-utils/sleep.d/01laptop-mode is in laptop-mode-tools 1.64-1ubuntu1.

This file is owned by root:root, with mode 0o755.

The actual contents of the file can be viewed below.

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#!/bin/sh
#
# 01laptop-mode: Re-apply laptop mode tools settings

if [ -f /etc/pm/sleep.d/99laptop-mode ]; then
    continue
else
    case "$1" in
	    hibernate|suspend)
		    # Stopping is not required.
		    ;;
	    thaw|resume)
		    # Make laptop mode tools forcibly re-apply the hardware settings
		    # that laptop mode tools applies.			
		    if [ -e /usr/sbin/laptop_mode ] ; then
			    /usr/sbin/laptop_mode auto force
		    fi
		    ;;
	    *) exit $NA
		    ;;
    esac
fi