About ip6table map66 (npt66) rfc6296

Installing and Using OpenWrt Network and Wireless Configuration
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I see nat66 in openwrt is n:1 and state, and I see another method call map66 http://www.faqs.org/rfcs/rfc6296.html (ip6tables -j MAP66) 1:1 stateless, is it supported in openwrt?