new ImmutableSortedMap.Builder<Integer, Long>(Ordering.natural())
          .put(1000, 0x433109b33e13e6edL)
          .put(800, 0x5f2f123bfc815f81L)
          .put(640, 0x6396fc6a67293cf4L)
          .put(512, 0x45c01b4934ddbbbeL)
          .put(409, 0xfcd19b617551db45L)
          .put(327, 0x4eee69e12854871eL)
          .put(261, 0xab753446a3bbd532L)
          .put(208, 0x54242fe06a291c3fL)

            assertEquals(firstToString, secondToString);

            // Verify state is maintained after write operation
            notification.writeBytesWireFormat(new byte[64], 0);
            String thirdToString = notification.toString();
            assertEquals(firstToString, thirdToString);
        }

        private byte[] createValidOplockBreakBuffer(byte oplockLevel, byte[] fileId) {

    // {[-6..-4): 0, [0..1): 1, [1..5): 1, [7..9): 2,
    //  [9..14): 0, [14..15): 2, [17..20): 3, [22..25): 4}
    assertEquals(
        new ImmutableMap.Builder<>()
            .put(Range.closedOpen(-6, -4), 0)
            .put(Range.closedOpen(0, 1), 1) // not coalesced
            .put(Range.closedOpen(1, 5), 1)
            .put(Range.closedOpen(7, 9), 2)
            .put(Range.closedOpen(9, 14), 0)