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