backend.execute(this@TaskRunner, runnable)
  }

  fun newQueue(): TaskQueue {
    val name = this.withLock { nextQueueName++ }
    return TaskQueue(this, "Q$name")
  }

  /**
   * Returns a snapshot of queues that currently have tasks scheduled. The task runner does not
   * necessarily track queues that have no tasks scheduled.
   */
  fun activeQueues(): List<TaskQueue> {
    this.withLock {

  <modelVersion>4.0.0</modelVersion>

  <parent>
    <groupId>org.apache.maven</groupId>
    <artifactId>maven</artifactId>
    <version>4.1.0-SNAPSHOT</version>
  </parent>

  <artifactId>apache-maven</artifactId>
  <packaging>pom</packaging>

  <name>Apache Maven Distribution</name>

        sumOfSquaresOfDeltas = NaN;
      }
      min = Math.min(min, otherMin);
      max = Math.max(max, otherMax);
    }
  }

  /** Returns an immutable snapshot of the current statistics. */
  public Stats snapshot() {
    return new Stats(count, mean, sumOfSquaresOfDeltas, min, max);
  }

  /** Returns the number of values. */
  public long count() {
    return count;
  }

  /**

     *
     * @param key the property key to check
     * @return true if the property should be included, false otherwise
     */
    private static boolean isBugReportTarget(final Object key) {
        if ("snapshot.path".equals(key) || "label.value".equals(key)) {
            return false;
        }
        return true;
    }

    /**
     * Creates a property item from a system property key.
     *

	<modelVersion>4.0.0</modelVersion>
	<groupId>org.codelibs</groupId>
	<artifactId>jcifs</artifactId>
	<version>3.0.0-SNAPSHOT</version>
	<packaging>jar</packaging>
	<name>jCIFS</name>
	<url>https://github.com/codelibs/jcifs</url>

        assertTrue(original.equals(copy), "Cloned instance should be equal by content");

        // Mutate original backing array; clone should remain based on previous snapshot
        data[0] = 99;
        assertFalse(original.equals(copy), "After mutation, original should not equal previous clone");

        // Ensure arrays are independent: mutate clone's buffer via getter

        if [ ! -f "$YJPLIB" ]; then
          echo "Error: Unable to autodetect the YJP library location. Please set YJPLIB variable" >&2
          exit 1
        fi
        MAVEN_OPTS="-agentpath:$YJPLIB=onexit=snapshot,onexit=memory,tracing,onlylocal $MAVEN_OPTS"
        ;;
      --enc)
        MAVEN_MAIN_CLASS="org.apache.maven.cling.MavenEncCling"
        ;;
      --shell)

  <modelVersion>4.0.0</modelVersion>

  <parent>
    <groupId>org.apache.maven</groupId>
    <artifactId>maven-impl-modules</artifactId>
    <version>4.1.0-SNAPSHOT</version>
  </parent>

  <artifactId>maven-cli</artifactId>

  <name>Maven 4 CLI</name>
  <description>Maven 4 CLI component, with CLI and logging support.</description>

  <dependencies>

                  <div class="well">
                      Sometimes, the change was made on the `release` branch but hasn't yet been published to the baseline version.
                      In that case, you can publish a new snapshot from the release branch. This will update `released-versions.json` on `master`.

     */
    public void removeListener(CircuitBreakerListener listener) {
        listeners.remove(listener);
    }

    /**
     * Get circuit breaker metrics
     *
     * @return metrics snapshot
     */
    public CircuitBreakerMetrics getMetrics() {
        // Calculate time in open state
        long timeInOpen = totalTimeInOpen.get();
        if (state.get() == State.OPEN && openStateStartTime.get() > 0) {