content: /*
   * Decompiled with CFR 0.153-SNAPSHOT (d6f6758-dirty).
   */
  package com.google.common.collect;
  
  import com.google.common.annotations.GwtCompatible;
  import com.google.common.annotations.GwtIncompatible;
  import com.google.common.collect.BoundType;
  import com.google.common.collect.Multiset;
  import com.google.common.collect.Multisets;
  import com.google.common.collect.SortedMultiset;
  import com.google.j2objc.annotations.Weak;
  import java.util.Comparator;
  import java.util.Iterator;
  import java.util.NavigableSet;
  import java.util.NoSuchElementException;
  import java.util.SortedSet;
  import org.checkerframework.checker.nullness.qual.Nullable;
  
  @GwtCompatible(emulated=true)
  final class SortedMultisets {
      private SortedMultisets() {
      }
  
      private static <E> E getElementOrThrow(Multiset.Entry<E> entry) {
          if (entry == null) {
              throw new NoSuchElementException();
          }
          return entry.getElement();
      }
  
      private static <E> E getElementOrNull(@Nullable Multiset.Entry<E> entry) {
          return entry == null ? null : (E)entry.getElement();
      }
  
      @GwtIncompatible
      static class NavigableElementSet<E>
      extends ElementSet<E>
      implements NavigableSet<E> {
          NavigableElementSet(SortedMultiset<E> multiset) {
              super(multiset);
          }
  
          @Override
          public E lower(E e) {
              return (E)SortedMultisets.getElementOrNull(this.multiset().headMultiset(e, BoundType.OPEN).lastEntry());
          }
  
          @Override
          public E floor(E e) {
              return (E)SortedMultisets.getElementOrNull(this.multiset().headMultiset(e, BoundType.CLOSED).lastEntry());
          }
  
          @Override
          public E ceiling(E e) {
              return (E)SortedMultisets.getElementOrNull(this.multiset().tailMultiset(e, BoundType.CLOSED).firstEntry());
          }
  
          @Override
          public E higher(E e) {
              return (E)SortedMultisets.getElementOrNull(this.multiset().tailMultiset(e, BoundType.OPEN).firstEntry());
          }
  
          @Override
          public NavigableSet<E> descendingSet() {
              return new NavigableElementSet(this.multiset().descendingMultiset());
          }
  
          @Override
          public Iterator<E> descendingIterator() {
              return this.descendingSet().iterator();
          }
  
          @Override
          public E pollFirst() {
              return (E)SortedMultisets.getElementOrNull(this.multiset().pollFirstEntry());
          }
  
          @Override
          public E pollLast() {
              return (E)SortedMultisets.getElementOrNull(this.multiset().pollLastEntry());
          }
  
          @Override
          public NavigableSet<E> subSet(E fromElement, boolean fromInclusive, E toElement, boolean toInclusive) {
              return new NavigableElementSet<E>(this.multiset().subMultiset(fromElement, BoundType.forBoolean(fromInclusive), toElement, BoundType.forBoolean(toInclusive)));
          }
  
          @Override
          public NavigableSet<E> headSet(E toElement, boolean inclusive) {
              return new NavigableElementSet<E>(this.multiset().headMultiset(toElement, BoundType.forBoolean(inclusive)));
          }
  
          @Override
          public NavigableSet<E> tailSet(E fromElement, boolean inclusive) {
              return new NavigableElementSet<E>(this.multiset().tailMultiset(fromElement, BoundType.forBoolean(inclusive)));
          }
      }
  
      static class ElementSet<E>
      extends Multisets.ElementSet<E>
      implements SortedSet<E> {
          @Weak
          private final SortedMultiset<E> multiset;
  
          ElementSet(SortedMultiset<E> multiset) {
              this.multiset = multiset;
          }
  
          @Override
          final SortedMultiset<E> multiset() {
              return this.multiset;
          }
  
          @Override
          public Iterator<E> iterator() {
              return Multisets.elementIterator(this.multiset().entrySet().iterator());
          }
  
          @Override
          public Comparator<? super E> comparator() {
              return this.multiset().comparator();
          }
  
          @Override
          public SortedSet<E> subSet(E fromElement, E toElement) {
              return this.multiset().subMultiset(fromElement, BoundType.CLOSED, toElement, BoundType.OPEN).elementSet();
          }
  
          @Override
          public SortedSet<E> headSet(E toElement) {
              return this.multiset().headMultiset(toElement, BoundType.OPEN).elementSet();
          }
  
          @Override
          public SortedSet<E> tailSet(E fromElement) {
              return this.multiset().tailMultiset(fromElement, BoundType.CLOSED).elementSet();
          }
  
          @Override
          public E first() {
              return (E)SortedMultisets.getElementOrThrow(this.multiset().firstEntry());
          }
  
          @Override
          public E last() {
              return (E)SortedMultisets.getElementOrThrow(this.multiset().lastEntry());
          }
      }
  }
  
  