protected static final int SLOW_FUNC_VALID_INPUT_DATA = 3;
  private static final String RESULT_DATA = "SUCCESS";

  private SettableFuture<String> outputFuture;
  // Signals that the function is waiting to complete
  private CountDownLatch funcIsWaitingLatch;
  // Signals the function so it will complete
  private CountDownLatch funcCompletionLatch;

  @Override

 * under the License.
 */
package org.apache.maven;

import java.io.File;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;

/**
 * Signals a collision of two or more projects with the same g:a:v during a reactor build.
 *
 */
public class DuplicateProjectException extends MavenExecutionException {

    private Map<String, List<File>> collisions;

    /**

	"created by runtime.gc",
	// ignore the snapshot function.
	// since the snapshot is taken here the entry will have the current function too.
	"pickRelevantGoroutines",
	"runtime.MHeap_Scavenger",
	"signal.signal_recv",
	"sigterm.handler",
	"runtime_mcall",
	"goroutine in C code",
}

// Identify whether the stack trace entry is part of ignoredStackFn .
func isIgnoredStackFn(stack string) (ok bool) {
	ok = true

@ElementTypesAreNonnullByDefault
public class AbstractIteratorTest extends TestCase {

  public void testDefaultBehaviorOfNextAndHasNext() {

    // This sample AbstractIterator returns 0 on the first call, 1 on the
    // second, then signals that it's reached the end of the data
    Iterator<Integer> iter =
        new AbstractIterator<Integer>() {
          private int rep;

          @Override
          public @Nullable Integer computeNext() {

 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven;

/**
 * Signals an internal error in Maven itself, e.g. a programming bug.
 *
 */
public class InternalErrorException extends MavenExecutionException {

    public InternalErrorException(String message, Throwable cause) {

 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven;

/**
 * A special throwable used to signal a graceful abort of the build.
 */
public class BuildAbort extends Error {

    public BuildAbort(String message) {
        super(message);
    }

    public BuildAbort(String message, Throwable cause) {

      }
    }

    return isRunning
  }

  /** Used by [Call.execute] to signal it is in-flight. */
  internal fun executed(call: RealCall) =
    this.withLock {
      runningSyncCalls.add(call)
    }

  /** Used by [AsyncCall.run] to signal completion. */
  internal fun finished(call: AsyncCall) {
    call.callsPerHost.decrementAndGet()

 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.lifecycle;

/**
 * Signals a failure to execute a lifecycle phase or mojo because a project is required but not present.
 *
 */
public class MissingProjectException extends Exception {

    /**
     * Creates a new exception.
     *

      // If signal() fails somehow, we should see a failed test, even without looking at the Future.
      Future<?> unused =
          scheduledPool.schedule(
              new Runnable() {
                @Override
                public void run() {
                  testCondition.signal();
                }
              },
              delay,

 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.lifecycle;

/**
 * Signals a failure to locate the lifecycle for some phase.
 *
 */
public class LifecyclePhaseNotFoundException extends Exception {

    private final String lifecyclePhase;

    /**