content: /*
   * Decompiled with CFR 0.153-SNAPSHOT (d6f6758-dirty).
   */
  package com.google.common.collect;
  
  import com.google.common.annotations.GwtCompatible;
  import com.google.common.base.Preconditions;
  import com.google.common.collect.ForwardingCollection;
  import com.google.common.collect.Sets;
  import java.util.Collection;
  import java.util.Set;
  import org.checkerframework.checker.nullness.qual.Nullable;
  
  @GwtCompatible
  public abstract class ForwardingSet<E>
  extends ForwardingCollection<E>
  implements Set<E> {
      protected ForwardingSet() {
      }
  
      @Override
      protected abstract Set<E> delegate();
  
      @Override
      public boolean equals(@Nullable Object object) {
          return object == this || this.delegate().equals(object);
      }
  
      @Override
      public int hashCode() {
          return this.delegate().hashCode();
      }
  
      @Override
      protected boolean standardRemoveAll(Collection<?> collection) {
          return Sets.removeAllImpl(this, Preconditions.checkNotNull(collection));
      }
  
      protected boolean standardEquals(@Nullable Object object) {
          return Sets.equalsImpl(this, object);
      }
  
      protected int standardHashCode() {
          return Sets.hashCodeImpl(this);
      }
  }
  
  