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