CLASS bcf net/minecraft/item/WrittenBookItem METHOD (Lbam$a;)V ARG 1 settings METHOD a resolve (Lbar;Lcc;Laun;)Z ARG 0 book ARG 1 commandSource ARG 2 player METHOD b isValidBook (Lia;)Z METHOD e getBookGeneration (Lbar;)I ARG 0 stack METHOD j getPageCount (Lbar;)I