lskq(1) on macOS
The text 1f748c59a42c, as macOS 11.5, macOS 11.4, macOS 11.3, macOS 11.2, macOS 11.1, macOS 11.0.1 shipped it.
display process kqueue state
Flags it lists
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-a -
-e -
-h -
-p -
-r -
-v