NetworkInformation class with downlinkMax on its prototype clears
noDownlinkMax from the like-headless flag list. creepjs checks
'downlinkMax' in (window.NetworkInformation?.prototype || {}).
ContentIndex stub on globalThis clears noContentIndex. creepjs checks
'ContentIndex' in window.
navigator.connection is now a real NetworkInformation instance instead
of a plain object literal.
Result: 0% like-headless, 0% headless, 0% stealth on creepjs. 33/33
obstacle course unchanged.
SGavrl
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