CLASS ayn net/minecraft/container/BlockContext
FIELD a EMPTY Layn;
METHOD a create (Lbhj;Lev;)Layn;
ARG 1 world
METHOD a run (Ljava/util/function/BiConsumer;)V
ARG 1 function
METHOD a run (Ljava/util/function/BiFunction;)Ljava/util/Optional;
METHOD a run (Ljava/util/function/BiFunction;Ljava/lang/Object;)Ljava/lang/Object;
ARG 2 defaultValue