This file is indexed.

/lib/systemd/system-sleep/wpasupplicant is in wpasupplicant 2.4-0ubuntu6.

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
set -e

if [ "$2" = "suspend" ] || [ "$2" = "hybrid-sleep" ]; then
    case "$1" in
        pre) /sbin/wpa_cli suspend ;;
        post) /sbin/wpa_cli resume ;;
    esac
fi