CLASS fb net/minecraft/util/IdList
FIELD b idMap Ljava/util/IdentityHashMap;
FIELD c list Ljava/util/List;
METHOD a size ()I
METHOD a getInt (I)Ljava/lang/Object;
METHOD a getId (Ljava/lang/Object;)I
METHOD a add (Ljava/lang/Object;I)V
ARG 1 value