CLASS buv net/minecraft/block/PistonExtensionBlock FIELD a FACING Lbvx; FIELD b TYPE Lbwa; METHOD (Lbme$c;)V ARG 1 settings METHOD a getBlockEntityPiston (Lbgl;Lev;)Lbuy; ARG 1 world METHOD a createBlockEntityPiston (Lbvc;Lfa;ZZ)Lbtf; ARG 0 pushedBlock ARG 1 dir ARG 2 extending