public static <T extends @Nullable Object> Supplier<T> memoizeWithExpiration(
      Supplier<T> delegate, Duration duration) {
    checkNotNull(delegate);
    // The alternative of `duration.compareTo(Duration.ZERO) > 0` causes J2ObjC trouble.
    checkArgument(
        !duration.isNegative() && !duration.isZero(), "duration (%s) must be > 0", duration);
    return new ExpiringMemoizingSupplier<>(delegate, toNanosSaturated(duration));
  }

  public static <T extends @Nullable Object> Supplier<T> memoizeWithExpiration(
      Supplier<T> delegate, Duration duration) {
    checkNotNull(delegate);
    // The alternative of `duration.compareTo(Duration.ZERO) > 0` causes J2ObjC trouble.
    checkArgument(
        !duration.isNegative() && !duration.isZero(), "duration (%s) must be > 0", duration);
    return new ExpiringMemoizingSupplier<>(delegate, toNanosSaturated(duration));
  }

			<exclusions>
				<exclusion>
					<groupId>org.codehaus.mojo</groupId>
					<artifactId>animal-sniffer-annotations</artifactId>
				</exclusion>
				<exclusion>
					<groupId>com.google.j2objc</groupId>
					<artifactId>j2objc-annotations</artifactId>
				</exclusion>
				<exclusion>
					<groupId>org.checkerframework</groupId>
					<artifactId>checker-qual</artifactId>
				</exclusion>
				<exclusion>

          "version": {
            "requires": "${error_prone_annotations.version}"
          }
        },
        {
          "group": "com.google.j2objc",
          "module": "j2objc-annotations",
          "version": {
            "requires": "${j2objc.version}"
          }
        }
      ],
      "files": [
        {
          "name": "${project.build.finalName}.jar",

  // We store 'iterable' and use it instead of 'this' to allow Iterables to perform instanceof
  // checks on the _original_ iterable when FluentIterable.from is used.
  // To avoid a self retain cycle under j2objc, we store null instead of
  // a reference to 'this'. To access the delegate iterable, call #getDelegate(), which converts
  // null back to 'this'.
  private final @Nullable Iterable<E> iterableDelegate;

  // We store 'iterable' and use it instead of 'this' to allow Iterables to perform instanceof
  // checks on the _original_ iterable when FluentIterable.from is used.
  // To avoid a self retain cycle under j2objc, we store null instead of
  // a reference to 'this'. To access the delegate iterable, call #getDelegate(), which converts
  // null back to 'this'.
  private final @Nullable Iterable<E> iterableDelegate;

import com.google.common.util.concurrent.Futures.FutureCombiner;
import com.google.errorprone.annotations.CanIgnoreReturnValue;
import com.google.errorprone.annotations.DoNotMock;
import com.google.j2objc.annotations.J2ObjCIncompatible;
import com.google.j2objc.annotations.RetainedWith;
import java.lang.ref.Reference;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.IdentityHashMap;

com.google.j2objc.annotations...

com.google.j2objc.annotations...

import com.google.common.annotations.GwtCompatible;
import com.google.common.collect.ImmutableCollection;
import com.google.errorprone.annotations.concurrent.LazyInit;
import com.google.j2objc.annotations.RetainedLocalRef;
import com.google.j2objc.annotations.WeakOuter;
import java.util.concurrent.Callable;
import java.util.concurrent.CancellationException;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.Executor;