* @return {@code true} if this range contains the specified version, {@code false} otherwise
     */
    boolean contains(@Nonnull Version version);

    /**
     * Returns a string representation of this version constraint
     * @return the string representation of this version constraint
     */
    @Nonnull
    String asString();

     * @return a new filtered graph
     */
    @Nonnull
    Node filter(@Nonnull Predicate<Node> filter);

    /**
     * Returns a string representation of this dependency node.
     *
     * @return the string representation
     */
    @Nonnull
    String asString();

    /**
     * Obtain a Stream containing this node and all its descendant.
     *

      if (longs.compareAndSet(i, current, next)) {
        return nextVal;
      }
    }
  }

  /**
   * Returns the String representation of the current values of array.
   *
   * @return the String representation of the current values of array
   */
  @Override
  public String toString() {
    int iMax = length() - 1;
    if (iMax == -1) {
      return "[]";
    }

     *
     * @param pom The POM's string representation, may be empty or {@code null}.
     */
    public StringModelSource(CharSequence pom) {
        this(pom, null);
    }

    /**
     * Creates a new model source backed by the specified string.
     *
     * @param pom The POM's string representation, may be empty or {@code null}.

 * @see VersionConstraint
 * @see VersionRange
 */
@Experimental
public interface Version extends Comparable<Version> {
    /**
     * Returns a string representation of this version.
     * @return the string representation of this version
     */
    @Nonnull
    String asString();

     * on which it applies.
     *
     * @return the name of the tool option for this path type
     */
    @Nonnull
    Optional<String> option();

    /**
     * Returns the option followed by a string representation of the given path elements.
     * The path elements are separated by an option-specific or platform-specific separator.
     * If the given {@code paths} argument contains no element, then this method returns an empty string.

     *
     * @param content The String representation, may be empty or {@code null}.
     */
    public StringSource(CharSequence content) {
        this(content, null);
    }

    /**
     * Creates a new source backed by the specified string.
     *
     * @param content The String representation, may be empty or {@code null}.

    return mean;
  }

  // Serialization helpers

  /** The size of byte array representation in bytes. */
  static final int BYTES = (Long.SIZE + Double.SIZE * 4) / Byte.SIZE;

  /**
   * Gets a byte array representation of this instance.
   *
   * <p><b>Note:</b> No guarantees are made regarding stability of the representation between
   * versions.
   */
  public byte[] toByteArray() {

     *
     * @param settings The settings' string representation, may be empty or {@code null}.
     */
    public StringSettingsSource(CharSequence settings) {
        this(settings, null);
    }

    /**
     * Creates a new settings source backed by the specified string.
     *
     * @param settings The settings' string representation, may be empty or {@code null}.

    /**
     * Returns the lower boundary of this range, or {@code null} if none.
     */
    @Nullable
    Boundary getLowerBoundary();

    /**
     * Returns a string representation of this version range
     * @return the string representation of this version range
     */
    @Nonnull
    String asString();

    /**
     * Represents range boundary.
     */
    interface Boundary {
        /**