CLASS bqi net/minecraft/block/StairsBlock
FIELD C baseBlock Lbkz;
FIELD D baseBlockState Lbtx;
FIELD a FACING Lbus;
FIELD b HALF Lbuv;
FIELD c SHAPE Lbuv;
FIELD d WATERLOGGED Lbup;
METHOD n (Lbtx;)Z
ARG 1 state