/** Returns {@code true} if this range has an upper endpoint. */
  public boolean hasUpperBound() {
    return upperBound != Cut.aboveAll();
  }

  /**
   * Returns the upper endpoint of this range.
   *
   * @throws IllegalStateException if this range is unbounded above (that is, {@link
   *     #hasUpperBound()} returns {@code false})
   */
  public C upperEndpoint() {
    return upperBound.endpoint();
  }

    return new ConstantLoader<>(constant);
  }

  /** Returns a {@link CacheLoader} that returns the given {@code constant} for every request. */
  static IncrementingLoader incrementingLoader() {
    return new IncrementingLoader();
  }

  /** Returns a {@link CacheLoader} that throws the given error for every request. */
  static <K, V> CacheLoader<K, V> errorLoader(final Error e) {
    checkNotNull(e);

  }

  /** Returns true if the element is package-private. */
  public final boolean isPackagePrivate() {
    return !isPrivate() && !isPublic() && !isProtected();
  }

  /** Returns true if the element is private. */
  public final boolean isPrivate() {
    return Modifier.isPrivate(getModifiers());
  }

  /** Returns true if the element is static. */
  public final boolean isStatic() {

                return atomic.get();
              }
            }));
  }

  /** Returns true if this map contains a mapping for the specified key. */
  public boolean containsKey(Object key) {
    return map.containsKey(key);
  }

  /**
   * Returns the number of key-value mappings in this map. If the map contains more than {@code
   * Integer.MAX_VALUE} elements, returns {@code Integer.MAX_VALUE}.
   */

   */
  @Override
  public String toString() {
    return Iterables.toString(getDelegate());
  }

  /**
   * Returns the number of elements in this fluent iterable.
   *
   * <p><b>{@code Stream} equivalent:</b> {@code stream.count()}.
   */
  public final int size() {
    return Iterables.size(getDelegate());
  }

  /**
   * Returns {@code true} if this fluent iterable contains any object for which {@code

   * Returns a view of the supplied {@code iterator} that removes each element from the supplied
   * {@code iterator} as it is returned.
   *
   * <p>The provided iterator must support {@link Iterator#remove()} or else the returned iterator
   * will fail on the first call to {@code next}. The returned {@link Iterator} is also not
   * thread-safe.
   *
   * @param iterator the iterator to remove and return elements from

          return equivalence.equivalent(this.reference, that.reference);
        }
      }
      return false;
    }

    /** Returns the result of {@link Equivalence#hash(Object)} applied to the wrapped reference. */
    @Override
    public int hashCode() {
      return equivalence.hash(reference);
    }

    /**

          return equivalence.equivalent(this.reference, that.reference);
        }
      }
      return false;
    }

    /** Returns the result of {@link Equivalence#hash(Object)} applied to the wrapped reference. */
    @Override
    public int hashCode() {
      return equivalence.hash(reference);
    }

    /**

  /**
   * Returns {@code true} if there are no differences between the two maps; that is, if the maps are
   * equal.
   */
  boolean areEqual();

  /**
   * Returns an unmodifiable map containing the entries from the left map whose keys are not present
   * in the right map.
   */
  Map<K, V> entriesOnlyOnLeft();

  /**

    for (int i = start; i < end; i++) {
      if (array[i] == target) {
        return i;
      }
    }
    return -1;
  }

  /**
   * Returns the start position of the first occurrence of the specified {@code target} within
   * {@code array}, or {@code -1} if there is no such occurrence.
   *
   * <p>More formally, returns the lowest index {@code i} such that {@code Arrays.copyOfRange(array,