CLASS buy net/minecraft/block/PistonExtensionBlock
FIELD a FACING Lbwa;
FIELD b TYPE Lbwd;
METHOD <init> (Lbmh$c;)V
ARG 1 settings
METHOD a getBlockEntityPiston (Lbgo;Lev;)Lbvb;
ARG 1 world
METHOD a createBlockEntityPiston (Lbvf;Lfa;ZZ)Lbti;
ARG 0 pushedBlock
ARG 1 dir
ARG 2 extending