for (int i = 0; i < originalCount; i++) {
      Object key = new Object();
      Object value = new Object();
      int hash = map.hash(key);
      // chain all entries together as we only have a single bucket
      entry = map.newEntry(key, hash, entry);
      ValueReference<Object, Object> valueRef = map.newValueReference(entry, value, 1);
      entry.setValueReference(valueRef);
    }

    for (int i = 0; i < originalCount; i++) {
      Object key = new Object();
      Object value = new Object();
      int hash = map.hash(key);
      // chain all entries together as we only have a single bucket
      entry = map.newEntry(key, hash, entry);
      ValueReference<Object, Object> valueRef = map.newValueReference(entry, value, 1);
      entry.setValueReference(valueRef);
    }

last came a rumbling of little cartwheels, and the sound of a
good many voices all talking together:  she made out the words:
`Where's the other ladder?--Why, I hadn't to bring but one;
Bill's got the other--Bill! fetch it here, lad!--Here, put 'em up
at this corner--No, tie 'em together first--they don't reach half
high enough yet--Oh! they'll do well enough; don't be particular--

last came a rumbling of little cartwheels, and the sound of a
good many voices all talking together:  she made out the words:
`Where's the other ladder?--Why, I hadn't to bring but one;
Bill's got the other--Bill! fetch it here, lad!--Here, put 'em up
at this corner--No, tie 'em together first--they don't reach half
high enough yet--Oh! they'll do well enough; don't be particular--

     * is still open. This value is either {@code FILE_NO_SHARE} or any
     * combination of {@code FILE_SHARE_READ}, {@code FILE_SHARE_WRITE},
     * and {@code FILE_SHARE_DELETE} logically OR'd together.
     *
     * @param   url A URL string
     * @param   auth The credentials the client should use for authentication
     * @param   shareAccess Specifies what access other clients have while this file is open.

            The kind of sources (source files to compile or resources to copy) and their usage (for the main code
            or for the tests) is specified by the {@code scope} element together with each source directory.
          </description>
          <association>
            <type>Source</type>
            <multiplicity>*</multiplicity>
          </association>
        </field>
        <field>

            delegateForDelayedRuntimeException.get(timeout, unit);
            throw new RuntimeException();
          }
        };

    /** All the futures, together with human-readable names for use by {@link #smartToString}. */
    final ImmutableList<TestFuture> allFutures =
        ImmutableList.of(
            new TestFuture(doneSuccess, "doneSuccess", () -> {}),

            delegateForDelayedRuntimeException.get(timeout, unit);
            throw new RuntimeException();
          }
        };

    /** All the futures, together with human-readable names for use by {@link #smartToString}. */
    final ImmutableList<TestFuture> allFutures =
        ImmutableList.of(
            new TestFuture(doneSuccess, "doneSuccess", () -> {}),

	HistogramBucketLabel string            `json:"HistogramBucketLabel"`
	Histogram            map[string]uint64 `json:"Histogram"`
}

// MetricsGroupV2 are a group of metrics that are initialized together.
type MetricsGroupV2 struct {
	metricsCache     *cachevalue.Cache[[]MetricV2] `msg:"-"`
	cacheInterval    time.Duration
	metricsGroupOpts MetricsGroupOpts
}