return ComponentUtil.getSystemProperties().getProperty(key, System.getProperty(Constants.SYSTEM_PROP_PREFIX + key));
    }

    default String getSystemProperty(final String key, final String defaultValue) {
        return ComponentUtil.getSystemProperties().getProperty(key, System.getProperty(Constants.SYSTEM_PROP_PREFIX + key, defaultValue));
    }

    default void setSystemProperty(final String key, final String value) {

            try {
                VersionRange parentRange = versionParser.parseVersionRange(parent.getVersion());
                if (!parentRange.contains(versionParser.parseVersion(version))) {
                    // version skew drop back to resolution from the repository
                    return null;
                }

                // Validate versions aren't inherited when using parent ranges the same way as when read externally.

import org.lastaflute.core.direction.exception.ConfigPropertyNotFoundException;

/**
 * @author FreeGen
 */
public interface FessConfig extends FessEnv, org.codelibs.fess.mylasta.direction.FessProp {

    /** The key of the configuration. e.g. Fess */
    String DOMAIN_TITLE = "domain.title";

    /** The key of the configuration. e.g. default */
    String search_engine_TYPE = "search_engine.type";

            if (profileProp != null) {
                ActivationProperty prop = new ActivationProperty();

                prop.setName(profileProp.getName());
                prop.setValue(profileProp.getValue());

                activation.setProperty(prop);
            }

            ActivationOS profileOs = profileActivation.getOs();

            if (profileOs != null) {

    @Test
    public void testWINSOnly () throws CIFSException, UnknownHostException {
        Properties prop = new Properties();
        prop.setProperty("jcifs.resolveOrder", "WINS");
        prop.setProperty("jcifs.netbios.wins", getRequiredProperty("jcifs.netbios.wins"));

        PropertyConfiguration cfg = new PropertyConfiguration(prop);
        BaseContext c = new BaseContext(cfg);

        setupEpg(_epgMap, et -> ((Group) et).getName(), (et, vl) -> ((Group) et).setName(DfTypeUtil.toString(vl)), "name");
    }

    @Override
    public PropertyGateway findPropertyGateway(final String prop) {
        return doFindEpg(_epgMap, prop);
    }

    // ===================================================================================
    //                                                                          Table Info

                "updatedAt");
    }

    @Override
    public PropertyGateway findPropertyGateway(final String prop) {
        return doFindEpg(_epgMap, prop);
    }

    // ===================================================================================
    //                                                                          Table Info

    }

    @Override
    public PropertyGateway findPropertyGateway(final String prop) {
        return doFindEpg(_epgMap, prop);
    }

    // ===================================================================================
    //                                                                          Table Info

                (et, vl) -> ((RelatedContent) et).setVirtualHost(DfTypeUtil.toString(vl)), "virtualHost");
    }

    @Override
    public PropertyGateway findPropertyGateway(final String prop) {
        return doFindEpg(_epgMap, prop);
    }

    // ===================================================================================
    //                                                                          Table Info

            if (modelProp != null) {
                ActivationProperty prop = ActivationProperty.newBuilder()
                        .name(modelProp.getName())
                        .value(modelProp.getValue())
                        .build();
                activation.property(prop);
            }

            org.apache.maven.api.model.ActivationOS modelOs = modelActivation.getOs();