CLASS none/avb net/minecraft/world/decorator/impl/DecoratorTreeBirch
FIELD a LOG Lnone/asl;
FIELD b LEAVES Lnone/asl;
FIELD c increasedHeight Z
METHOD b generate (Lnone/aiv;Ljava/util/Random;Lnone/cn;)Z
ARG 0 world
ARG 1 random
ARG 2 pos