hasher.putLong(0x0000000001000101L);
    assertEquals(hashCode, hasher.hash().asLong());

    hasher = HASH_FN.newHasher();
    hasher
        .putShort((short) 0x0101)
        .putShort((short) 0x0100)
        .putShort((short) 0x0000)
        .putShort((short) 0x0000);
    assertEquals(hashCode, hasher.hash().asLong());
  }

  public void testHashFloatIsStable() {

    /** Uses an {@link ArrayList} to store value collections. */
    public ListMultimapBuilder<K0, @Nullable Object> arrayListValues() {
      return arrayListValues(DEFAULT_EXPECTED_VALUES_PER_KEY);
    }

    /**
     * Uses an {@link ArrayList} to store value collections, initialized to expect the specified
     * number of values per key.
     *

    /** Uses an {@link ArrayList} to store value collections. */
    public ListMultimapBuilder<K0, @Nullable Object> arrayListValues() {
      return arrayListValues(DEFAULT_EXPECTED_VALUES_PER_KEY);
    }

    /**
     * Uses an {@link ArrayList} to store value collections, initialized to expect the specified
     * number of values per key.
     *

    require(length < bytesOut.size - lastFrame.start)

    // Move everything from bytesOut into a new buffer.
    val fullBuffer = Buffer()
    bytesOut.read(fullBuffer, bytesOut.size)

    // Copy back all but what we're truncating.
    fullBuffer.read(bytesOut, lastFrame.start + length)
    outFrames.add(OutFrame(lastFrame.sequence, lastFrame.start, true))
    return writer
  }

    return requireNonNull(rowKeySet().comparator());
  }

  /**
   * Returns the comparator that orders the columns. With natural ordering, {@link
   * Ordering#natural()} is returned.
   *
   * @deprecated Store the {@link Comparator} alongside the {@link Table}. Or, if you know that the
   *     {@link Table} contains at least one value, you can retrieve the {@link Comparator} with:

     */
    @Test
    public void testPerformance() throws Exception {
        final int num = 100;
        long start = System.currentTimeMillis();
        for (int i = 0; i < num; i++) {
            System.out.println("test" + i);
        }
        final long sysout = System.currentTimeMillis() - start;
        start = System.currentTimeMillis();
        for (int i = 0; i < num; i++) {
            logger.fatal("test" + i);
        }

        return ComponentUtil.getQueryProcessor();
    }

    /**
     * Creates a sort builder for the specified field and order.
     * @param field The field name to sort by.
     * @param order The sort order (ascending or descending).
     * @return The appropriate sort builder for the field.
     */
    protected SortBuilder<?> createFieldSortBuilder(final String field, final SortOrder order) {

            cancelAll()
          } finally {
            coordinatorWaiting = false
          }
        }
      }
    }
  }

  /** Start another thread, unless a new thread is already scheduled to start. */
  private fun startAnotherThread() {
    assertLockHeld()
    if (executeCallCount > runCallCount) return // A thread is still starting.

    executeCallCount++

    Range<Integer> closedRange = Range.closed(4, 8);

    // first range open end, second range open start
    assertEquals(Range.closed(2, 4), Range.lessThan(2).gap(openRange));
    assertEquals(Range.closed(2, 4), openRange.gap(Range.lessThan(2)));

    // first range closed end, second range open start
    assertEquals(Range.openClosed(2, 4), Range.atMost(2).gap(openRange));

 */
public interface DataStore {

    /**
     * Store the data.
     * @param config The data configuration.
     * @param callback The callback.
     * @param initParamMap The initial parameters.
     */
    void store(DataConfig config, IndexUpdateCallback callback, DataStoreParams initParamMap);

    /**
     * Stop the data store.
     */
    void stop();