will be explicitly unblocked as described above. If Notify is called
for a blocked signal, it will be unblocked. If, later, Reset is
called for that signal, or Stop is called on all channels passed to
Notify for that signal, the signal will once again be blocked.

# SIGPIPE

When a Go program writes to a broken pipe, the kernel will raise a
SIGPIPE signal.

If the program has not called Notify to receive SIGPIPE signals, then

    @SuppressWarnings("unused") // Called by reflection
    private void privateMethod() {}

    @SuppressWarnings("unused") // Called by reflection
    void packagePrivateMethod() {}

    @SuppressWarnings("unused") // Called by reflection
    protected void protectedMethod() {}

    @SuppressWarnings("unused") // Called by reflection
    public void publicMethod() {}
  }

// Caller must hold worldsema.
//
// nosplit to ensure it can be called in as many contexts as possible.
//
//go:nosplit
func worldStarted() {
	if stopped := worldIsStopped.Add(-1); stopped != 0 {
		systemstack(func() {
			print("world stop count=", stopped, "\n")
			throw("released non-stopped world stop")
		})
	}
}

// nosplit to ensure it can be called in as many contexts as possible.
//
//go:nosplit

        throw UnsupportedOperationException("Should not be called")
    }

    override fun visit(visitor: ResolvedArtifactSet.Visitor) {
        throw UnsupportedOperationException("Should not be called")
    }

    override fun visitTransformSources(visitor: ResolvedArtifactSet.TransformSourceVisitor) {
        throw UnsupportedOperationException("Should not be called")
    }

	// Unreserve is called by the scheduling framework when a reserved pod was
	// rejected, an error occurred during reservation of subsequent plugins, or
	// in a later phase. The Unreserve method implementation must be idempotent
	// and may be called by the scheduler even if the corresponding Reserve
	// method for the same plugin was not called.

    secondFuture.cancel(true);
    assertThat(secondCallable.called).isFalse();
    assertThat(thirdCallable.called).isFalse();
    firstFuture.set(null);
    assertThat(secondCallable.called).isFalse();
    assertThat(thirdCallable.called).isTrue();
  }

  public void testCancellationMultipleThreads() throws Exception {

    secondFuture.cancel(true);
    assertThat(secondCallable.called).isFalse();
    assertThat(thirdCallable.called).isFalse();
    firstFuture.set(null);
    assertThat(secondCallable.called).isFalse();
    assertThat(thirdCallable.called).isTrue();
  }

  public void testCancellationMultipleThreads() throws Exception {

// When printing file and line information, that function will be skipped.
// Helper may be called simultaneously from multiple goroutines.
func (f *F) Helper() {
	if f.inFuzzFn {
		panic("testing: f.Helper was called inside the fuzz target, use t.Helper instead")
	}

	// common.Helper is inlined here.
	// If we called it, it would mark F.Helper as the helper
	// instead of the caller.
	f.mu.Lock()
	defer f.mu.Unlock()

      new Runnable() {
        @Override
        public void run() {}
      };
  boolean called = false;

  private void assertSingleCallWithCorrectParameters(
      Runnable command, long initialDelay, long delay, TimeUnit unit) {
    assertFalse(called); // only called once.
    called = true;
    assertEquals(INITIAL_DELAY, initialDelay);
    assertEquals(DELAY, delay);
    assertEquals(UNIT, unit);

      new Runnable() {
        @Override
        public void run() {}
      };
  boolean called = false;

  private void assertSingleCallWithCorrectParameters(
      Runnable command, long initialDelay, long delay, TimeUnit unit) {
    assertFalse(called); // only called once.
    called = true;
    assertEquals(INITIAL_DELAY, initialDelay);
    assertEquals(DELAY, delay);
    assertEquals(UNIT, unit);