*
     * @param groupId the group identifier, or {@code null} is unspecified
     * @param artifactId the artifact identifier, or {@code null} is unspecified
     * @param version the artifact version, or {@code null} is unspecified
     * @param classifier the artifact classifier, or {@code null} is unspecified
     * @param extension the artifact extension, or {@code null} is unspecified

     * method provides an atomic compare-and-update of some key's value.
     *
     * @param key the key under which to store the session data, must not be {@code null}
     * @param oldValue the expected data currently associated with the key, may be {@code null}
     * @param newValue the data to associate with the key, may be {@code null} to remove the mapping

    public LookupException(String message) {
        super(message);
    }

    /**
     * @param message the message to give
     * @param e the {@link Exception}
     */
    public LookupException(String message, Exception e) {
        super(message, e);
    }

    /**
     * @param e the {@link Exception}
     */
    public LookupException(Exception e) {
        super(e);
    }

    /**
     * @param property the property to check
     * @return <code>true</code> if this is a valid property for this processor
     */
    boolean isValidProperty(String property);

    /**
     * This method is responsible for examining the request and possibly overwrite of the valid properties in the model
     *
     * @param modelProperties
     * @param request
     */

 */
public interface MavenArtifactRelocationSource {
    /**
     * Returns {@link Artifact} instance where to relocate to, or {@code null}.
     *
     * @param session The session, never {@code null}.
     * @param result The artifact descriptor result, never {@code null}.
     * @param model The artifact model, never {@code null}.
     * @return The {@link Artifact} to relocate to, or {@code null} if no relocation wanted.
     */

 * but at Maven runtime it MAY actually use that service.
 *
 * @since 4.0.0
 */
public interface ModelVersionParser {

    /**
     * Parses the specified version string, for example "1.0".
     *
     * @param version the version string to parse, must not be {@code null}
     * @return the parsed version, never {@code null}
     * @throws VersionParserException if the string violates the syntax rules of this scheme
     */
    @Nonnull

         * prefixes and setting whether the {@link PrefixedValueSourceWrapper} allows
         * unprefixed expressions.
         * @param possiblePrefixes The possible prefixes.
         * @param root The root of the graph.
         * @param allowUnprefixedExpressions if we allow undefined expressions or not.
         */
        public PrefixedObjectValueSource(

 * model inheritance.
 *
 */
public interface ModelUrlNormalizer {

    /**
     * Normalizes the well-known URLs of the specified model.
     *
     * @param model The model whose URLs should be normalized, may be {@code null}.
     * @param request The model building request that holds further settings, must not be {@code null}.
     */
    Model normalize(Model model, ModelBuilderRequest request);

    }

    /**
     * Tries to resolve the specified artifact from the artifacts of the given project.
     *
     * @param project The project to try to resolve the artifact from, must not be <code>null</code>.
     * @param requestedArtifact The artifact to resolve, must not be <code>null</code>.
     * @return The matching artifact from the project or <code>null</code> if not found. Note that this

     * given OS family derived from the given OS name
     *
     * @param family the family to check for
     * @param actualOsName the OS name to check against
     * @return true if the OS matches
     *
     */
    public static boolean isFamily(String family, String actualOsName) {
        // windows probing logic relies on the word 'windows' in the OS