CLASS brn net/minecraft/world/gen/chunk/ChunkGeneratorSettings
	FIELD r defaultBlock Lbom;
	FIELD s defaultFluid Lbom;
	METHOD a setDefaultBlock (Lbom;)V
	METHOD b setDefaultFluid (Lbom;)V
	METHOD r getDefaultBlock ()Lbom;
	METHOD s getDefaultFluid ()Lbom;
