CLASS btd net/minecraft/world/level/storage/AlphaChunkIo
CLASS btd$a AlphaChunk
METHOD a convertAlphaChunk (Lbtd$a;Lhr;Lbdq;)V
ARG 0 alphaChunk
ARG 1 tag
ARG 2 biomeSource
METHOD a readAlphaChunk (Lhr;)Lbtd$a;
ARG 0 tag