CLASS akf net/minecraft/world/biome/BiomeSavanna METHOD a decorate (Laiw;Ljava/util/Random;Lcn;)V ARG 0 world ARG 1 rand ARG 2 chunkPos METHOD a getSurfaceDecorator (Ljava/util/Random;)Lava; ARG 0 random METHOD g getBiomeClass ()Ljava/lang/Class;