if (properties != null) {
                // We will attempt to get nab a property as a way to specify a parameter
                // to a plugin. My particular case here is allowing the surefire plugin
                // to run a single test so I want to specify that class on the cli as
                // a parameter.

                value = properties.get(expression);
            }

            }

            @Override
            public List<ArtifactVersion> retrieveAvailableVersionsFromDeploymentRepository(
                    Artifact artifact, ArtifactRepository localRepository, ArtifactRepository remoteRepository) {
                throw new UnsupportedOperationException("Cannot get available versions in this test case");
            }

            @Override

            switch (next) {
                case XMLStreamReader.SPACE:
                case XMLStreamReader.COMMENT:
                case XMLStreamReader.PROCESSING_INSTRUCTION:
                case XMLStreamReader.CDATA:
                case XMLStreamReader.CHARACTERS:
                    continue;
                case XMLStreamReader.START_ELEMENT:
                case XMLStreamReader.END_ELEMENT:

                        if (file.exists()) {
                            if (!file.delete()) {
                                // sleep for 10ms just in case this is windows holding a file lock
                                try {
                                    Thread.sleep(10);
                                } catch (InterruptedException ie) {

     * This map is usually either empty if no module was found, or a singleton map.
     * It may however contain more than one entry if module hierarchy was detected,
     * in which case there is one key per sub-directory.
     *
     * <p>This map may contain null values if the constructor was invoked with {@code resolve}
     * parameter set to false. This is more efficient when only the module existence needs to

            Specifies that this parameter can be configured directly by the user (as in the case of POM-specified
            configuration). This is useful when you want to force the user to use common POM elements rather than
            plugin configurations, as in the case where you want to use the artifact's final name as a parameter. In
            this case, you want the user to modify {@code <build><finalName/></build>} rather

     *       be achieved, for example, by repeating in the {@code META-INF/services/} directory the services
     *       that are declared in the {@code module-info.class} file. In that case, the path type can be chosen
     *       by the plugin.</li>
     *   <li>If a {@link #patchModule(String)} is also set and the main JAR file is placed on the module-path,

        checkVersionsEqual("1a1", "1-alpha-1");
        checkVersionsEqual("1b2", "1-beta-2");
        checkVersionsEqual("1m3", "1-milestone-3");

        // case insensitive
        checkVersionsEqual("1X", "1x");
        checkVersionsEqual("1A", "1a");
        checkVersionsEqual("1B", "1b");
        checkVersionsEqual("1M", "1m");
        checkVersionsEqual("1Cr", "1Rc");

        } catch (IllegalArgumentException e) {
            logger.warn(
                    "Invalid value specified for property {}: '{}'. Supported values are (case insensitive): {}",
                    MAVEN_PLUGIN_VALIDATION_KEY,
                    level,
                    Arrays.toString(ValidationReportLevel.values()));
            return DEFAULT_VALIDATION_LEVEL;
        }

    OF THE PROGRAM CONSTITUTES RECIPIENT'S ACCEPTANCE OF THIS AGREEMENT.

1. DEFINITIONS

"Contribution" means:

  a) in the case of the initial Contributor, the initial content
     Distributed under this Agreement, and

  b) in the case of each subsequent Contributor:
     i) changes to the Program, and
     ii) additions to the Program;
  where such changes and/or additions to the Program originate from