}

  public void testFrequency_set() {
    Set<String> set = newHashSet("a", "b", "c");
    assertEquals(1, frequency(set, "a"));
    assertEquals(1, frequency(set, "b"));
    assertEquals(1, frequency(set, "c"));
    assertEquals(0, frequency(set, "d"));
    assertEquals(0, frequency(set, 4.2));
    assertEquals(0, frequency(set, null));
  }

  public void testFrequency_list() {

        }
      } else {
        // set on the future completed
        assertFalse(cancellationSuccess.get());
        assertTrue(setFutureSetSuccess.get());
        assertTrue(setFutureCompletionSuccess.get());
      }
      // reset for next iteration
      setFutureSetSuccess.set(false);
      setFutureCompletionSuccess.set(false);
      cancellationSuccess.set(false);
      finalResults.clear();
    }

package org.gradle.test

class GroovyClassWithParameterizedTypes {
    Set<CombinedInterface> setProp

    Map<CombinedInterface, GroovyClassWithParameterizedTypes> mapProp

    List<?> wildcardProp

    List<? extends CombinedInterface> upperBoundProp

    List<? super CombinedInterface> lowerBoundProp

    List<? super Set<? extends Map<?, CombinedInterface[]>>>[] nestedProp

    static <T> T paramMethod(T param) {
        null

      }
    }
    shuffle(queryList, random);
    return queryList.toArray(new Element[0]);
  }

  private Set<Element> createData() {
    Set<Element> set = Sets.newHashSetWithExpectedSize(size);
    while (set.size() < size) {
      set.add(newElement());
    }
    return set;
  }

  private Element newElement() {
    int value = random.nextInt();

		metricsLogIf(ctx, err)
		return err
	}

	m.Set(memTotal, float64(memMetrics.Total))
	m.Set(memUsed, float64(memMetrics.Used))
	usedPerc := float64(memMetrics.Used) * 100 / float64(memMetrics.Total)
	m.Set(memUsedPerc, usedPerc)
	m.Set(memFree, float64(memMetrics.Free))
	m.Set(memBuffers, float64(memMetrics.Buffers))
	m.Set(memCache, float64(memMetrics.Cache))
	m.Set(memShared, float64(memMetrics.Shared))

  }

  @Override
  public Set<V> get(@ParametricNullness K key) {
    return (Set<V>) super.get(key);
  }

  @Override
  public Set<V> removeAll(@Nullable Object key) {
    return (Set<V>) super.removeAll(key);
  }

  @Override
  public Set<V> replaceValues(@ParametricNullness K key, Iterable<? extends V> values) {
    return (Set<V>) super.replaceValues(key, values);
  }

  @Override

     */
    @Deprecated(since = "4.0.0")
    public Set<MavenProject> getOptionalProjectsBySelectors(
            MavenExecutionRequest request, List<MavenProject> projects, Set<String> projectSelectors) {
        Set<MavenProject> resolvedOptionalProjects = new LinkedHashSet<>();
        Set<String> unresolvedOptionalSelectors = new HashSet<>();

  private Set<N> predecessorsOrEmpty(N node) {
    if (edgeType == EdgeType.INCOMING || edgeType == EdgeType.BOTH) {
      return graph.predecessors(node);
    } else {
      return ImmutableSet.of();
    }
  }

  /**
   * Returns the successors of the given node, or an empty set if this set does not represent
   * outgoing edges.
   */
  private Set<N> successorsOrEmpty(N node) {

			clusterVersionsHistogram[k] += v
		}
	}

	m.Set(usageSinceLastUpdateSeconds, time.Since(dataUsageInfo.LastUpdate).Seconds())
	m.Set(usageTotalBytes, float64(clusterSize))
	m.Set(usageObjectsCount, float64(clusterObjectsCount))
	m.Set(usageVersionsCount, float64(clusterVersionsCount))
	m.Set(usageDeleteMarkersCount, float64(clusterDeleteMarkersCount))
	m.Set(usageBucketsCount, float64(clusterBuckets))

		metricsLogIf(ctx, err)
	} else if startTime > 0 {
		m.Set(processStartTimeSeconds, float64(startTime))
	}
}

func loadProcIOMetrics(ctx context.Context, io procfs.ProcIO, m MetricValues) {
	if io.RChar > 0 {
		m.Set(processIORCharBytes, float64(io.RChar))
	}

	if io.ReadBytes > 0 {
		m.Set(processIOReadBytes, float64(io.ReadBytes))
	}

	if io.WChar > 0 {
		m.Set(processIOWCharBytes, float64(io.WChar))
	}