/**
   * 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();

  /**

     * </p>
     *
     * @param type
     *            the type to analyze
     * @return the element type of the set, or null if not a parameterized set
     */
    public static Type getElementTypeOfSet(final Type type) {
        if (!isTypeOf(type, Set.class)) {
            return null;
        }
        return getGenericParameter(type, 0);
    }

    /**

// WalkOptions provides filtering, marker and other Walk() specific options.
type WalkOptions struct {
	Filter       func(info FileInfo) bool // return WalkFilter returns 'true/false'
	Marker       string                   // set to skip until this object
	LatestOnly   bool                     // returns only latest versions for all matching objects
	AskDisks     string                   // dictates how many disks are being listed

  /** Returns the empty array. */
  public static ImmutableLongArray of() {
    return EMPTY;
  }

  /** Returns an immutable array containing a single value. */
  public static ImmutableLongArray of(long e0) {
    return new ImmutableLongArray(new long[] {e0});
  }

  /** Returns an immutable array containing the given values, in order. */

  /** Returns the empty array. */
  public static ImmutableIntArray of() {
    return EMPTY;
  }

  /** Returns an immutable array containing a single value. */
  public static ImmutableIntArray of(int e0) {
    return new ImmutableIntArray(new int[] {e0});
  }

  /** Returns an immutable array containing the given values, in order. */

     *
     * @return the {@link Pattern} instance for XML tag matching
     */
    @Override
    protected Pattern getTagPattern() {
        return xmlTagPattern;
    }

    /**
     * Returns the XML encoding pattern.
     * @return The XML encoding pattern.
     */
    public Pattern getXmlEncodingPattern() {
        return xmlEncodingPattern;
    }

    /**

	return ct.PrimaryKeyValue.Bool, ct.PrimaryKeyValue.Valid
}

// AutoIncrement returns the column is auto increment or not.
func (ct ColumnType) AutoIncrement() (isAutoIncrement bool, ok bool) {
	return ct.AutoIncrementValue.Bool, ct.AutoIncrementValue.Valid
}

// Length returns the column type length for variable length column types
func (ct ColumnType) Length() (length int64, ok bool) {
	if ct.LengthValue.Valid {

   */
  Map<Range<K>, V> asMapOfRanges();

  /**
   * Returns a view of this range map as an unmodifiable {@code Map<Range<K>, V>}. Modifications to
   * this range map are guaranteed to read through to the returned {@code Map}.
   *
   * <p>The returned {@code Map} iterates over entries in descending order of the bounds of the
   * {@code Range} entries.
   *

		e.AllTierStats = e.AllTierStats.clone()
	}
	return e
}

// find a path in the cache.
// Returns nil if not found.
func (d *dataUsageCache) find(path string) *dataUsageEntry {
	due, ok := d.Cache[hashPath(path).Key()]
	if !ok {
		return nil
	}
	return &due
}

// isCompacted returns whether an entry is compacted.
// Returns false if not found.

    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,