}

    @LazyInit transient @Nullable Set<E> elementSet;

    Set<E> createElementSet() {
      return Collections.unmodifiableSet(delegate.elementSet());
    }

    @Override
    public Set<E> elementSet() {
      Set<E> es = elementSet;
      return (es == null) ? elementSet = createElementSet() : es;
    }

    @LazyInit transient @Nullable Set<Multiset.Entry<E>> entrySet;

import com.google.common.base.Preconditions;
import com.google.common.primitives.Ints;
import com.google.errorprone.annotations.CanIgnoreReturnValue;
import com.google.errorprone.annotations.concurrent.LazyInit;
import com.google.j2objc.annotations.WeakOuter;
import java.io.IOException;
import java.io.InvalidObjectException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;

            separator);
      }
      return new SeparatedBaseEncoding(this, separator, afterEveryChars);
    }

    @LazyInit private volatile @Nullable BaseEncoding upperCase;
    @LazyInit private volatile @Nullable BaseEncoding lowerCase;
    @LazyInit private volatile @Nullable BaseEncoding ignoreCase;

    @Override
    public BaseEncoding upperCase() {
      BaseEncoding result = upperCase;

  private final String subtype;
  private final ImmutableListMultimap<String, String> parameters;

  @LazyInit private @Nullable String toString;

  @LazyInit private int hashCode;

  // We need to differentiate between "not computed" and "computed to be absent."
  @SuppressWarnings("NullableOptional")
  @LazyInit
  private @Nullable Optional<Charset> parsedCharset;

import com.google.errorprone.annotations.CheckReturnValue;
import com.google.errorprone.annotations.ForOverride;
import com.google.errorprone.annotations.InlineMe;
import com.google.errorprone.annotations.concurrent.LazyInit;
import com.google.j2objc.annotations.RetainedWith;
import java.io.Serializable;
import java.util.Iterator;
import org.jspecify.annotations.Nullable;

/**

      extends ForwardingMultimap<K, V> implements Serializable {
    final Multimap<K, V> delegate;
    @LazyInit transient @Nullable Collection<Entry<K, V>> entries;
    @LazyInit transient @Nullable Multiset<K> keys;
    @LazyInit transient @Nullable Set<K> keySet;
    @LazyInit transient @Nullable Collection<V> values;
    @LazyInit transient @Nullable Map<K, Collection<V>> map;

    UnmodifiableMultimap(Multimap<K, V> delegate) {

      extends ForwardingMap<K, V> implements BiMap<K, V>, Serializable {
    final Map<K, V> unmodifiableMap;
    final BiMap<? extends K, ? extends V> delegate;
    @LazyInit @RetainedWith @Nullable BiMap<V, K> inverse;
    @LazyInit transient @Nullable Set<V> values;

    UnmodifiableBiMap(BiMap<? extends K, ? extends V> delegate, @Nullable BiMap<V, K> inverse) {

      extends ForwardingMap<K, V> implements BiMap<K, V>, Serializable {
    final Map<K, V> unmodifiableMap;
    final BiMap<? extends K, ? extends V> delegate;
    @LazyInit @RetainedWith @Nullable BiMap<V, K> inverse;
    @LazyInit transient @Nullable Set<V> values;

    UnmodifiableBiMap(BiMap<? extends K, ? extends V> delegate, @Nullable BiMap<V, K> inverse) {

import com.google.common.annotations.J2ktIncompatible;
import com.google.errorprone.annotations.CanIgnoreReturnValue;
import com.google.errorprone.annotations.DoNotCall;
import com.google.errorprone.annotations.concurrent.LazyInit;
import java.io.InvalidObjectException;
import java.io.ObjectInputStream;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;

import com.google.common.math.IntMath;
import com.google.common.primitives.Ints;
import com.google.errorprone.annotations.CanIgnoreReturnValue;
import com.google.errorprone.annotations.concurrent.LazyInit;
import com.google.j2objc.annotations.RetainedWith;
import java.io.InvalidObjectException;
import java.io.ObjectInputStream;
import java.io.Serializable;
import java.math.RoundingMode;
import java.util.Arrays;