CLASS avv net/minecraft/item/Items
FIELD a AIR Lavp;
METHOD a register (Latx;)Lavp;
METHOD a registerBlock (Lbft;Laul;)Lavp;
METHOD a register (Lbft;Lavp;)Lavp;
METHOD a register (Ljava/lang/String;Lavp;)Lavp;
METHOD a register (Lpz;Lavp;)Lavp;