static class TestAllocInfo implements AllocInfo {
        private final long capacity;
        private final long free;
        private byte fileSystemInformationClass = FS_SIZE_INFO;

        TestAllocInfo(long capacity, long free) {
            this.capacity = capacity;
            this.free = free;
        }

        TestAllocInfo(long capacity, long free, byte fileSystemInformationClass) {
            this.capacity = capacity;

        };
        assertEquals(Long.valueOf(31556926000L), yearEnv.getTimeAdjustTimeMillisAsLong());

        // Test maximum long value
        FessEnv.SimpleImpl maxEnv = new FessEnv.SimpleImpl() {
            protected Properties prepareProperties() {
                Properties props = new Properties();
                props.setProperty(FessEnv.TIME_ADJUST_TIME_MILLIS, String.valueOf(Long.MAX_VALUE));
                return props;

     */
    public static long[] toPlainArray(AtomicLongArray atomicLongArray) {
      long[] array = new long[atomicLongArray.length()];
      for (int i = 0; i < array.length; ++i) {
        array[i] = atomicLongArray.get(i);
      }
      return array;
    }

    /** Number of bits */
    long bitSize() {
      return (long) data.length() * Long.SIZE;
    }

    /**

    abstract long gcdLong(long a, long b);

    abstract boolean noAddOverflow(int a, int b);

    abstract boolean noAddOverflow(long a, long b);

    abstract boolean noMulOverflow(int a, int b);

    abstract boolean noMulOverflow(long a, long b);
  }

  private final int[] factorials = new int[ARRAY_SIZE];
  private final int[][] binomials = new int[ARRAY_SIZE][2];

     * @param length length of buffer
     */
    public Smb2RdmaTransform(long offset, int token, int length) {
        this.offset = offset;
        this.token = token;
        this.length = length;
    }

    /**
     * Get buffer offset
     *
     * @return offset within registered buffer
     */
    public long getOffset() {
        return offset;
    }

    /**
     * Get RDMA token
     *

    }

    @Override
    public @Nullable Long previous(Long value) {
      long l = value;
      return (l == Long.MIN_VALUE) ? null : l - 1;
    }

    @Override
    Long offset(Long origin, long distance) {
      checkNonnegative(distance, "distance");
      long result = origin + distance;
      if (result < 0) {
        checkArgument(origin < 0, "overflow");
      }
      return result;
    }

        private final int attributes;
        private final long createTime;
        private final long lastWriteTime;
        private final long lastAccessTime;
        private final long size;

        TestInfo(int attributes, long createTime, long lastWriteTime, long lastAccessTime, long size) {
            this.attributes = attributes;
            this.createTime = createTime;

   */
  public long sum() {
    return map.values().stream().mapToLong(Long::longValue).sum();
  }

  @LazyInit private transient @Nullable Map<K, Long> asMap;

  /** Returns a live, read-only view of the map backing this {@code AtomicLongMap}. */
  public Map<K, Long> asMap() {
    Map<K, Long> result = asMap;
    return (result == null) ? asMap = createAsMap() : result;

            + Long.numberOfLeadingZeros(~a)
            + Long.numberOfLeadingZeros(b)
            + Long.numberOfLeadingZeros(~b);
    if (leadingZeros > Long.SIZE + 1) {
      return a * b;
    }
    // the return value if we will overflow (which we calculate by overflowing a long :) )
    long limit = Long.MAX_VALUE + ((a ^ b) >>> (Long.SIZE - 1));
    if (leadingZeros < Long.SIZE | (a < 0 & b == Long.MIN_VALUE)) {

    protected List<String> commandList;

    /** Timeout for command execution in milliseconds. */
    protected long commandTimeout = 30 * 1000L;// 30sec

    /** Timeout for destroying processes in milliseconds. */
    protected long commandDestroyTimeout = 5 * 1000L;// 5sec

    /** Base directory for command execution. */
    protected File baseDir;