CLASS cfy net/minecraft/fluid/Fluids
FIELD a EMPTY Lcfv;
FIELD b FLOWING_WATER Lcfu;
FIELD c WATER Lcfu;
FIELD d FLOWING_LAVA Lcfu;
FIELD e LAVA Lcfu;
METHOD a register (Ljava/lang/String;Lcfv;)Lcfv;
ARG 0 id
ARG 1 value