* information that is available at the point the problem occurs and as such merely serves as best effort
     * to provide information to the user to track the problem back to its origin.
     *
     * @return The hint about the source of the problem or an empty string if unknown, never {@code null}.
     */
    String getSource();

    /**

    assertFalse(task.isDone());
    assertFalse(task.isCancelled());

    // Start the task to put it in the RUNNING state.  Have to use a separate
    // thread because the task will block on the task latch after unblocking
    // the run latch.
    exec.execute(task);
    runLatch.await();
    assertEquals(1, listenerLatch.getCount());
    assertFalse(task.isDone());
    assertFalse(task.isCancelled());

   * is running when that time is reached, that task is allowed to complete before this task is
   * started. Similarly the task will be delayed if the host lacks compute resources.
   *
   * @throws RejectedExecutionException if the queue is shut down and the task is not cancelable.
   */
  fun schedule(
    task: Task,
    delayNanos: Long = 0L,
  ) {

package cmd

import (
	"bytes"
	"fmt"

	"github.com/google/uuid"
	"github.com/minio/minio/internal/bucket/lifecycle"
)

const freeVersion = "free-version"

// InitFreeVersion creates a free-version to track the tiered-content of j. If j has
// no tiered content, it returns false.
func (j xlMetaV2Object) InitFreeVersion(fi FileInfo) (xlMetaV2Version, bool) {
	if fi.SkipTierFreeVersion() {
		return xlMetaV2Version{}, false
	}

       *   user task -- which means that we already got past this code (or else we exited early
       *   above))
       */
      // Unconditionally set; there is no risk of throwing away a queued task from another thread,
      // because in order for the current task to run on this executor the previous task must have
      // already started execution. Because each task on a TaskNonReentrantExecutor can only produce

            final TimeoutTask task = e.getElement();
            if (task.isCanceled()) {
                e.remove();
            } else if (!task.isStopped() && task.isExpired()) {
                expiredTask.add(task);
                if (!task.isPermanent()) {
                    e.remove();
                }
            }
        }

				}
			}

			if task.respCh != nil {
				task.respCh <- healResult{result: res, err: err}
				continue
			}

			// when respCh is not set caller is not waiting but we
			// update the relevant metrics for them
			if bgSeq != nil {
				if err == nil {
					bgSeq.countHealed(res.Type)
				} else {
					bgSeq.countFailed(res.Type)
				}

                                                                >
                                                                    <em class="fa fa-trash">
                                                                    <la:message key="labels.crud_button_delete"/>
                                                                </button>

              }
            });
    Runnable task =
        new Runnable() {
          @Override
          public void run() {
            numCalls.incrementAndGet();
          }
        };
    assertThrows(RejectedExecutionException.class, () -> executor.execute(task));
    assertEquals(0, numCalls.get());
    reject.set(false);
    executor.execute(task);
    assertEquals(1, numCalls.get());
  }

            AbstractService service, ScheduledExecutorService executor, Runnable task) {
          return new FutureAsCancellable(
              executor.scheduleWithFixedDelay(task, initialDelay, delay, unit));
        }
      };
    }

    /**
     * Returns a {@link Scheduler} that schedules the task using the {@link
     * ScheduledExecutorService#scheduleAtFixedRate} method.
     *