CLASS ays net/minecraft/item/WritableBookItem
METHOD <init> (Lawy$a;)V
ARG 1 settings
METHOD a useOnBlock (Layq;)Lafz;
ARG 1 usageContext
METHOD a use (Lbcf;Lark;Lafy;)Laga;
ARG 1 world
ARG 2 player
ARG 3 hand