// we want to see all top-level thread groups
        ThreadGroup tg = Thread.currentThread().getThreadGroup();
        while (tg.getParent() == null) {
            tg = tg.getParent();
        }

        ThreadGroup[] tgList = new ThreadGroup[tg.activeGroupCount()];
        tg.enumerate(tgList);

        boolean seen = false;

        for (ThreadGroup aTgList : tgList) {

    }

    /**
     * ThreadCreator for creating daemon threads with fixed ThreadGroup-name.
     */
    @Deprecated
    static final class DaemonThreadCreator implements ThreadFactory {
        static final String THREADGROUP_NAME = "org.apache.maven.artifact.resolver.DefaultArtifactResolver";

        static final ThreadGroup GROUP = new ThreadGroup(THREADGROUP_NAME);

private Throwable getResult(java.util.concurrent.FutureTask, Thread); private Exception createTimeoutExcepti(Thread); private StackTraceElement[] getStackTrace(Thread); private Thread getStuckThread(Thread); private java.util.List getThreadsInGroup(ThreadGroup); private long cpuTime(Thread); } org/junit/internal/runners/statements/FailOnTimeout$1.class package org.junit.internal.runners.statements; synchronized class FailOnTimeout$1 { } org/junit/internal/runners/statements/InvokeMethod.class package...