kotlin collections RingBuffer T AbstractList RandomAccess capacity Int buffer Array Any filledSize  size startIndex add Unit element expanded maxCapacity get index isFull Boolean iterator Iterator removeFirst n toArray array forwardR              "*B(B ( (J 2(8J 2(8J 2(8HJ8 J8 HJ 2(8J8HJ"2( 8 HJ2(8@HRHXRHXR 2 (@RHXRHXF H 0 0 0 0 0 0 8 0 0 0 0