+ override.byName.withProperty('custom.hidden', true),
      ]),
  },

  heatmap: {
    local heatmap = g.panel.heatmap,
    local options = heatmap.options,

    base(title, targets, desc=''):
      heatmap.new(title)
      + heatmap.queryOptions.withTargets(targets)
      + heatmap.queryOptions.withInterval('1m')
      + options.calculation.xBuckets.withMode('size')

        |||
      ),
      panels.heatmap.base(
        'Push Time', queries.pushTime, |||
          Count of active and pending proxies managed by each instance.
          Pending is expected to converge to zero.
        |||
      ),
      panels.heatmap.bytes(
        'Push Size', queries.pushSize, |||
          Size of each xDS push.
        |||
      ),

            sum(rate(pilot_xds_push_time_bucket{}[1m])) by (le)
          |||
        ) + q.withFormat('heatmap'),

      pushSize:
        self.query(
          '{{le}}',
          |||
            sum(rate(pilot_xds_config_size_bytes_bucket{}[1m])) by (le)
          |||
        ) + q.withFormat('heatmap'),

      pilotEvents: [
        self.query(
          '{{event}} {{type}}',

               },
               "expr": "sum(rate(pilot_xds_push_time_bucket{}[1m])) by (le)",
               "format": "heatmap",
               "legendFormat": "{{le}}"
            }
         ],
         "title": "Push Time",
         "type": "heatmap"
      },
      {
         "datasource": {
            "type": "datasource",
            "uid": "-- Mixed --"
         },

                     "legendFormat": "{{cluster}} - {{namespace}}\n"
                  }
               ],
               "title": "Workqueue Waiting Duration Over Time",
               "type": "heatmap"
            },
            {
               "datasource": {
                  "type": "datasource",
                  "uid": "-- Mixed --"
               },
               "fieldConfig": {

import java.util.LinkedHashMap;

import org.codelibs.core.exception.IllegalKeyOfBeanMapException;

/**
 * Stringがキーで、存在しないキーにアクセスする(get)と例外を投げるマップです。
 *
 * @author higa
 */
public class BeanMap extends LinkedHashMap<String, Object> {

    private static final long serialVersionUID = 1;

    @Override
    public Object get(final Object key) {
        if (!containsKey(key)) {

    SortedMap<String, Integer> headMap = map.headMap("a");
    assertTrue(headMap instanceof SynchronizedSortedMap);
    assertSame(mutex, ((SynchronizedSortedMap<String, Integer>) headMap).mutex);
  }

  public void testHeadMap_k_b() {
    NavigableMap<String, Integer> map = create();
    NavigableMap<String, Integer> headMap = map.headMap("a", true);
    assertTrue(headMap instanceof SynchronizedNavigableMap);

  }

  @CollectionSize.Require(absent = ZERO)
  public void testHeadMapExclusive() {
    assertFalse(navigableMap.headMap(a.getKey(), false).containsKey(a.getKey()));
  }

  @CollectionSize.Require(absent = ZERO)
  public void testHeadMapInclusive() {
    assertTrue(navigableMap.headMap(a.getKey(), true).containsKey(a.getKey()));
  }

  @CollectionSize.Require(absent = ZERO)
  public void testTailMapExclusive() {

  public void testLast() {
    assertEquals(c.getKey(), navigableMap.lastKey());
  }

  @CollectionSize.Require(absent = ZERO)
  public void testHeadMapExclusive() {
    assertFalse(navigableMap.headMap(a.getKey()).containsKey(a.getKey()));
  }

  @CollectionSize.Require(absent = ZERO)
  public void testTailMapInclusive() {
    assertTrue(navigableMap.tailMap(a.getKey()).containsKey(a.getKey()));
  }

  public void testLast() {
    assertEquals(c.getKey(), navigableMap.lastKey());
  }

  @CollectionSize.Require(absent = ZERO)
  public void testHeadMapExclusive() {
    assertFalse(navigableMap.headMap(a.getKey()).containsKey(a.getKey()));
  }

  @CollectionSize.Require(absent = ZERO)
  public void testTailMapInclusive() {
    assertTrue(navigableMap.tailMap(a.getKey()).containsKey(a.getKey()));
  }