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