CLASS net/minecraft/class_9259 net/minecraft/server/world/OptionalChunk
	METHOD method_57122 isPresent ()Z
	METHOD method_57123 orElse (Lnet/minecraft/class_9259;Ljava/lang/Object;)Ljava/lang/Object;
		ARG 0 optionalChunk
		ARG 1 other
	METHOD method_57124 of (Ljava/lang/Object;)Lnet/minecraft/class_9259;
		ARG 0 chunk
	METHOD method_57125 of (Ljava/lang/String;)Lnet/minecraft/class_9259;
		ARG 0 error
	METHOD method_57126 ifPresent (Ljava/util/function/Consumer;)Lnet/minecraft/class_9259;
		ARG 1 callback
	METHOD method_57127 map (Ljava/util/function/Function;)Lnet/minecraft/class_9259;
		ARG 1 mapper
	METHOD method_57128 of (Ljava/util/function/Supplier;)Lnet/minecraft/class_9259;
		ARG 0 error
	METHOD method_57129 getError ()Ljava/lang/String;
	METHOD method_57130 orElse (Ljava/lang/Object;)Ljava/lang/Object;
		ARG 1 other
	METHOD method_57132 orElseThrow (Ljava/util/function/Supplier;)Ljava/lang/Object;
		ARG 1 exceptionSupplier
	CLASS class_9260 LoadFailure
	CLASS class_9261 ActualChunk