const golang.org/x/sys/unix.ATTR_VOL_FILECOUNT

one use

	golang.org/x/sys/unix (current package)
		zerrors_darwin_arm64.go#L112: 	ATTR_VOL_FILECOUNT                = 0x200

The pages are generated with Golds v0.2.8-preview. (GOOS=darwin GOARCH=arm64)