Class<?> rawClass = (Class<?>) parameterizedType.getRawType();
      TypeVariable<?>[] vars = rawClass.getTypeParameters();
      Type[] typeArgs = parameterizedType.getActualTypeArguments();
      checkState(vars.length == typeArgs.length);
      for (int i = 0; i < vars.length; i++) {
        map(new TypeVariableKey(vars[i]), typeArgs[i]);
      }
      visit(rawClass);
      visit(parameterizedType.getOwnerType());

    assertEqualHashCode(Predicates.or(p1, p2), Predicates.or(p1, p2));

    // While not a contractual requirement, we'd like the hash codes for ands
    // & ors of the same predicates to not collide.
    assertTrue(Predicates.and(p1, p2).hashCode() != Predicates.or(p1, p2).hashCode());
  }

  @J2ktIncompatible
  @GwtIncompatible // reflection

@GwtIncompatible // not worth using in GWT for now
@ElementTypesAreNonnullByDefault
class CompactHashSet<E extends @Nullable Object> extends AbstractSet<E> implements Serializable {
  // TODO(user): cache all field accesses in local vars

  /** Creates an empty {@code CompactHashSet} instance. */
  public static <E extends @Nullable Object> CompactHashSet<E> create() {
    return new CompactHashSet<>();
  }

  /**

          data.length(),
          other.data.length());
      for (int i = 0; i < data.length(); i++) {
        putData(i, other.data.get(i));
      }
    }

    /**
     * ORs the bits encoded in the {@code i}th {@code long} in the underlying {@link
     * AtomicLongArray} with the given value.
     */
    void putData(int i, long longValue) {
      long ourLongOld;
      long ourLongNew;

@GwtIncompatible // not worth using in GWT for now
@ElementTypesAreNonnullByDefault
class CompactHashSet<E extends @Nullable Object> extends AbstractSet<E> implements Serializable {
  // TODO(user): cache all field accesses in local vars

  /** Creates an empty {@code CompactHashSet} instance. */
  public static <E extends @Nullable Object> CompactHashSet<E> create() {
    return new CompactHashSet<>();
  }

  /**

    assertEqualHashCode(Predicates.or(p1, p2), Predicates.or(p1, p2));

    // While not a contractual requirement, we'd like the hash codes for ands
    // & ors of the same predicates to not collide.
    assertTrue(Predicates.and(p1, p2).hashCode() != Predicates.or(p1, p2).hashCode());
  }

  @J2ktIncompatible
  @GwtIncompatible // reflection