* the License.
 */

package com.google.common.util.concurrent;

import static com.google.common.util.concurrent.AbstractFuture.getDoneValue;
import static com.google.common.util.concurrent.AbstractFuture.notInstanceOfDelegatingToFuture;
import static java.lang.Boolean.parseBoolean;
import static java.security.AccessController.doPrivileged;
import static java.util.Objects.requireNonNull;
import static java.util.concurrent.TimeUnit.NANOSECONDS;

  static boolean notInstanceOfDelegatingToFuture(@Nullable Object obj) {
    return !(obj instanceof DelegatingToFuture);
  }

  @Override
  public boolean isDone() {
    @RetainedLocalRef Object localValue = value();
    return localValue != null & notInstanceOfDelegatingToFuture(localValue);
  }

  @Override
  public boolean isCancelled() {