/**
     * 操作の対象に含めるプロパティ名を追加します。
     *
     * @param propertyNames
     *            プロパティ名の並び。{@literal null}や空配列であってはいけません
     * @return このインスタンス自身
     */
    public CopyOptions include(final CharSequence... propertyNames) {
        assertArgumentNotEmpty("propertyNames", propertyNames);

        includePropertyNames.addAll(toStringList(propertyNames));
        return this;
    }

    /**

     *
     * @param propertyNames
     *            プロパティ名の配列。{@literal null}や空配列であってはいけません
     * @return 操作の対象に含めるプロパティ名を指定した{@link CopyOptions}
     * @see CopyOptions#include(CharSequence...)
     */
    public static CopyOptions include(final CharSequence... propertyNames) {
        return new CopyOptions().include(propertyNames);
    }

    /**

                }

                val propertyNames = packageFragmentProto.`package`.propertyList
                    .map { propertyProto -> nameResolver.getName(propertyProto.name) }

                val functionNames = packageFragmentProto.`package`.functionList
                    .map { functionProto -> nameResolver.getName(functionProto.name) }

                val callableNames = (propertyNames + functionNames).distinct()

        lastModified = propertiesFile.lastModified();
        prop.loadFromXML(in);
        properties = prop;
    }

    @Override
    public Enumeration<?> propertyNames() {
        return getProperties().propertyNames();
    }

    @Override
    public Object put(final Object key, final Object value) {
        return getProperties().put(key, value);
    }

    @Override

fun Project.gradleProperty(propertyName: String) = providers.gradleProperty(propertyName)


fun Project.systemProperty(propertyName: String) = providers.systemProperty(propertyName)


fun Project.environmentVariable(propertyName: String) = providers.environmentVariable(propertyName)


fun Project.propertyFromAnySource(propertyName: String) = gradleProperty(propertyName)
    .orElse(systemProperty(propertyName))

        this._source = source;
        this._convention = convention;
        this._propertyNames = JavaPropertyReflectionUtil.propertyNames(source);
        this._ineligiblePropertyNames = new HashSet<>();
    }

    private MappedProperty map(String propertyName, MappedPropertyImpl mapping) {
        if (!_propertyNames.contains(propertyName)) {
            throw new InvalidUserDataException(

    }

    @Override
    public String getProperty(String key, String defaultValue) {
        return getter.get().getOrDefault(key, defaultValue);
    }

    @Override
    public Enumeration<?> propertyNames() {
        return Collections.enumeration(getter.get().keySet());
    }

    @Override
    public Set<String> stringPropertyNames() {
        return getter.get().keySet();
    }

    @Override

        this.delegate = delegate;
        this.listener = listener;
    }

    @Override
    public Enumeration<?> propertyNames() {
        reportAggregatingAccess();
        return delegate.propertyNames();
    }

    @Override
    public Set<String> stringPropertyNames() {
        return new AccessTrackingSet<>(delegate.stringPropertyNames(), trackingListener());
    }

    properties: Optional[Dict[str, "SchemaOrBool"]] = None
    patternProperties: Optional[Dict[str, "SchemaOrBool"]] = None
    additionalProperties: Optional["SchemaOrBool"] = None
    propertyNames: Optional["SchemaOrBool"] = None
    unevaluatedItems: Optional["SchemaOrBool"] = None
    unevaluatedProperties: Optional["SchemaOrBool"] = None

        properties.put("ivy.default.settings.dir", baseDir);
        properties.put("ivy.basedir", baseDir);

        Set<String> propertyNames = CollectionUtils.collect(System.getProperties().entrySet(), entry -> entry.getKey().toString());

        for (String property : propertyNames) {
            properties.put(property, System.getProperty(property));
        }
        return properties;
    }