checkPermits(permits);
    synchronized (mutex()) {
      return reserveAndGetWaitLength(permits, stopwatch.readMicros());
    }
  }

  /**
   * Acquires a permit from this {@code RateLimiter} if it can be obtained without exceeding the
   * specified {@code timeout}, or returns {@code false} immediately (without waiting) if the permit
   * would not have been granted before the timeout expired.
   *

   * builder.build().trimmed()}.
   */
  public static Builder builder() {
    return new Builder(10);
  }

  /**
   * A builder for {@link ImmutableIntArray} instances; obtained using {@link
   * ImmutableIntArray#builder}.
   */
  public static final class Builder {
    private int[] array;
    private int count = 0; // <= array.length

    Builder(int initialCapacity) {

   * builder.build().trimmed()}.
   */
  public static Builder builder() {
    return new Builder(10);
  }

  /**
   * A builder for {@link ImmutableDoubleArray} instances; obtained using {@link
   * ImmutableDoubleArray#builder}.
   */
  public static final class Builder {
    private double[] array;
    private int count = 0; // <= array.length

    Builder(int initialCapacity) {

   * other using {@code second = new PairedStatsAccumulator().addAll(first).snapshot()}, if both
   * were obtained by calling {@code snapshot()} on the same {@link PairedStatsAccumulator} without
   * adding any values in between the two calls, or if one is obtained from the other after
   * round-tripping through java serialization. However, floating point rounding errors mean that it

 *
 * <p>If your iterator supports modification through {@code remove()}, you may wish to override the
 * verify() method, which is called after each sequence and is guaranteed to be called
 * using the latest values obtained from {@link IteratorTester#newTargetIterator()}.
 *
 * <p>The value you pass to the parameter {@code steps} should be greater than the length of your

import com.google.errorprone.annotations.Immutable;

/**
 * A {@link Graph} whose elements and structural relationships will never change. Instances of this
 * class may be obtained with {@link #copyOf(Graph)}.
 *
 * <p>See the Guava User's Guide's <a
 * href="https://github.com/google/guava/wiki/GraphsExplained#immutable-implementations">discussion

import com.google.errorprone.annotations.Immutable;
import java.util.Map;

/**
 * A {@link Network} whose elements and structural relationships will never change. Instances of
 * this class may be obtained with {@link #copyOf(Network)}.
 *
 * <p>See the Guava User's Guide's <a
 * href="https://github.com/google/guava/wiki/GraphsExplained#immutable-implementations">discussion

@GwtCompatible
@ElementTypesAreNonnullByDefault
abstract class AbstractMapBasedMultimap<K extends @Nullable Object, V extends @Nullable Object>
    extends AbstractMultimap<K, V> implements Serializable {
  /*
   * Here's an outline of the overall design.
   *
   * The map variable contains the collection of values associated with each
   * key. When a key-value pair is added to a multimap that didn't previously

 * {@code ExecutorService}. Most users should call {@link ListeningExecutorService#submit(Callable)
 * ListeningExecutorService.submit} on a service obtained from {@link
 * MoreExecutors#listeningDecorator}.
 *
 * @author Sven Mawson
 * @since 1.0
 */
@J2ktIncompatible
@GwtIncompatible
@ElementTypesAreNonnullByDefault

 *
 * <p>If your iterator supports modification through {@code remove()}, you may wish to override the
 * verify() method, which is called after each sequence and is guaranteed to be called
 * using the latest values obtained from {@link IteratorTester#newTargetIterator()}.
 *
 * <p>The value you pass to the parameter {@code steps} should be greater than the length of your