Repr
NBTByte NBTByteArray NBTCompound NBTDouble NBTEnd NBTFloat NBTInt NBTIntArray NBTList NBTLong NBTShort NBTString NBTTag NBTType AnyTag NBTListType TAG_BYTE TAG_BYTE_ARRAY TAG_COMPOUND TAG_DOUBLE TAG_END TAG_FLOAT TAG_INT TAG_INT_ARRAY TAG_LONG TAG_SHORT TAG_STRING NBTView EmptyCoproduct EmptyProduct