import com.google.common.annotations.GwtCompatible;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.util.concurrent.AbstractFuture.Listener;
import com.google.common.util.concurrent.internal.InternalFutureFailureAccess;
import com.google.j2objc.annotations.ReflectionSupport;
import com.google.j2objc.annotations.RetainedLocalRef;
import java.lang.reflect.Field;
import java.security.PrivilegedActionException;

import com.google.common.annotations.GwtCompatible;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.util.concurrent.AbstractFuture.Listener;
import com.google.common.util.concurrent.internal.InternalFutureFailureAccess;
import com.google.j2objc.annotations.J2ObjCIncompatible;
import com.google.j2objc.annotations.ReflectionSupport;
import com.google.j2objc.annotations.RetainedLocalRef;
import java.lang.invoke.MethodHandles;

      this.future = future;
      this.callback = callback;
    }

    @Override
    public void run() {
      if (future instanceof InternalFutureFailureAccess) {
        Throwable failure =
            InternalFutures.tryInternalFastPathGetFailure((InternalFutureFailureAccess) future);
        if (failure != null) {
          callback.onFailure(failure);
          return;
        }
      }
      V value;

                </copy>
                <copy toDir="${project.build.directory}/guava-gwt-sources">
                  <fileset dir="${project.build.directory}/failureaccess-sources">
                    <include name="**/InternalFutureFailureAccess.java" />
                  </fileset>
                </copy>
                <!-- Any manually written supersource should take priority over the original guava source, so we set overwrite=true. -->