String requiredMavenVersion = (String) result.getProperties().get("prerequisites.maven");
            if (requiredMavenVersion != null) {
                Map<String, String> props = new LinkedHashMap<>(pluginArtifact.getProperties());
                props.put("requiredMavenVersion", requiredMavenVersion);
                pluginArtifact = pluginArtifact.setProperties(props);
            }

        String checkValue = "value";

        Properties properties = new Properties();
        properties.setProperty(key, checkValue);

        Model model = new Model();
        model.setProperties(properties);

        MavenProject project = new MavenProject(model);

        ExpressionEvaluator ee = createExpressionEvaluator(project, null, new Properties());

     * using the <tt>-Djcifs.properties=</tt> commandline parameter.
     */

    public static void setProperties( Properties prp ) {
        Config.prp = new Properties( prp );
        try {
            Config.prp.putAll( System.getProperties() );
        } catch( SecurityException se ) {
            if( log.level > 1 )

    }


    private String getTestDfsTargetServer () {
        String dfsTargetServer = getProperties().get("test.server.dfs");
        if ( dfsTargetServer != null ) {
            return dfsTargetServer;
        }
        return getTestServer();
    }


    private String getTestDC () {
        String dfsTargetServer = getProperties().get("test.domain.dc");
        if ( dfsTargetServer != null ) {

                // a parameter.

                value = properties.getProperty(expression);
            }

            if ((value == null) && ((project != null) && (project.getProperties() != null))) {
                value = project.getProperties().getProperty(expression);
            }
        }

        if (value instanceof String) {
            // TODO without #, this could just be an evaluate call...

            try {
                int attrs = f.getAttributes() ^ SmbConstants.ATTR_ARCHIVE ^ SmbConstants.ATTR_HIDDEN ^ SmbConstants.ATTR_READONLY;
                if ( Boolean.parseBoolean(getProperties().getOrDefault("test.skip.hidden", "false")) ) {
                    attrs &= ~SmbConstants.ATTR_HIDDEN;
                }
                f.setAttributes(attrs);
                assertEquals(attrs, f.getAttributes());

    }

    protected List<ValueSource> createValueSources(
            Model model, Path projectDir, ModelBuilderRequest request, ModelProblemCollector problems) {
        Map<String, String> modelProperties = model.getProperties();

        ValueSource projectPrefixValueSource;
        ValueSource prefixlessObjectBasedValueSource;
        if (request.getValidationLevel() >= ModelBuilderRequest.VALIDATION_LEVEL_MAVEN_4_0) {

                assertNotNull(dirs);
                assertEquals(1, dirs.length);

                if ( haveHidden && !Boolean.parseBoolean(getProperties().getOrDefault("test.skip.hidden", "false")) ) {
                    SmbFile[] hidden = f.listFiles(new DosFileFilter("*", SmbConstants.ATTR_HIDDEN));
                    assertNotNull(hidden);

    Map<String, String> getUserProperties();

    /**
     * Returns immutable system properties to use for interpolation. The system properties are collected from the
     * runtime environment such as {@link System#getProperties()} and environment variables
     * (prefixed with {@code env.}).
     *
     * @return the system properties, never {@code null}
     */
    @Nonnull
    Map<String, String> getSystemProperties();

    /**

            }

            activation.packaging(modelActivation.getPackaging());

            profile.activation(activation.build());
        }

        profile.properties(modelProfile.getProperties().entrySet().stream()
                .collect(Collectors.toMap(
                        e -> e.getKey().toString(), e -> e.getValue().toString())));