}

  final Set<Throwable> getOrInitSeenExceptions() {
    /*
     * The initialization of seenExceptionsField has to be more complicated than we'd like. The
     * simple approach would be for each caller CAS it from null to a Set populated with its
     * exception. But there's another race: If the first thread fails with an exception and a second
     * thread immediately fails with the same exception:
     *

			objectModTime:  time.Now().UTC().Add(-1 * time.Hour), // Created one hour ago
			isDelMarker:    true,
			expectedAction: DeleteVersionAction,
		},
		// Should not expire a delete marker; ExpiredObjectDeleteAllVersions applies only when current version is not a DEL marker.
		{

 *
 * Other exception types cancel the current call:
 *
 *  * For synchronous calls made with [Call.execute], the exception is propagated to the caller.
 *
 *  * For asynchronous calls made with [Call.enqueue], an [IOException] is propagated to the caller
 *    indicating that the call was canceled. The interceptor's exception is delivered to the current

	errPriorityMissing                        = Errorf("Priority must be specified")
	errInvalidDeleteMarkerReplicationStatus   = Errorf("Delete marker replication status is invalid")
	errDestinationSourceIdentical             = Errorf("Destination bucket cannot be the same as the source bucket.")

 */
@Deprecated(since = "4.0.0")
public interface Source {

    /**
     * Gets a byte stream to the source contents. Closing the returned stream is the responsibility of the caller.
     *
     * @return A byte stream to the source contents, never {@code null}.
     * @throws IOException in case of IO issue
     */
    InputStream getInputStream() throws IOException;

    /**

   * enqueue messages followed by pongs, but this sends pongs followed by messages. Pongs are always
   * written in the order they were enqueued.
   *
   * If a frame cannot be sent - because there are none enqueued or because the web socket is not
   * connected - this does nothing and returns false. Otherwise, this returns true and the caller

 */
@Deprecated(since = "4.0.0")
public interface SuperPomProvider {

    /**
     * Gets the super POM for the specified model version. The returned model is supposed to be read-only, i.e. if the
     * caller intends to make updates to the model the return value must be cloned before updating to ensure the
     * modifications don't affect future retrievals of the super POM.
     *

package okhttp3.internal.concurrent

import kotlin.contracts.ExperimentalContracts
import kotlin.contracts.InvocationKind
import kotlin.contracts.contract
import okhttp3.internal.assertionsEnabled

/**
 * Marker interface for objects that use the JVM's `synchronized` mechanism and the related
 * `wait()` and `notify()` functions.
 *
 * The Lockable interface is particularly handy because it ensures we lock the right `this` when

/**
 * An extension of {@code DataInput} for reading from in-memory byte arrays; its methods offer
 * identical functionality but do not throw {@link IOException}.
 *
 * <p><b>Warning:</b> The caller is responsible for not attempting to read past the end of the
 * array. If any method encounters the end of the array prematurely, it throws {@link

        // ignore
      }
    }
  }

  /**
   * Cleans up the given reference and any other references already in the queue. Catches and logs
   * all throwables.
   *
   * @return true if the caller should continue to wait for more references to be added to the
   *     queue, false if the associated FinalizableReferenceQueue is no longer referenced.
   */
  private boolean cleanUp(Reference<?> firstReference) {