CLASS none/ajw net/minecraft/world/biome/BiomeFrozen
METHOD a getSurfaceDecorator (Ljava/util/Random;)Lnone/ava;
ARG 0 random
METHOD a decorate (Lnone/aiw;Ljava/util/Random;Lnone/cn;)V
ARG 0 world
ARG 1 rand
ARG 2 chunkPos