return new CopyOptions().exclude(propertyNames);
    }

    /**
     * Returns a {@link CopyOptions} that excludes properties with {@literal null} values from the operation.
     *
     * @return A {@link CopyOptions} that excludes properties with {@literal null} values from the operation.
     * @see CopyOptions#excludeNull()
     */
    public static CopyOptions excludeNull() {

package gradlebuild.buildutils.tasks

import org.gradle.api.tasks.TaskAction
import org.gradle.api.tasks.UntrackedTask
import org.gradle.util.internal.VersionNumber
import java.util.Properties

/**
 * Fetch the latest versions for smoke tested plugins and write a properties file.
 * Never up-to-date, non-cacheable.
 */
@UntrackedTask(because = "Not worth tracking")
abstract class UpdateSmokeTestedPluginsVersions : AbstractVersionsUpdateTask() {

    #  You can set PropertiesHtml settings.
    #  Elements of this map are as below:
    #   o key of map: Properties Title Name
    #   o baseDir: base directory for directory property. (NotRequired)
    #   o rootFile: root file to read properties (Required)
    #   o environmentMap: map of environment files, the value is dir path (NotRequired)

            "schemas": {
                "Item": {
                    "title": "Item",
                    "required": ["name", "price"],
                    "type": "object",
                    "properties": {
                        "name": {"title": "Name", "type": "string"},
                        "description": {
                            "title": "Description",

                    "Item": {
                        "title": "Item",
                        "required": ["name", "price"],
                        "type": "object",
                        "properties": {
                            "name": {"title": "Name", "type": "string"},
                            "price": {"title": "Price", "type": "number"},
                            "description": {

                    "Item": {
                        "title": "Item",
                        "required": ["name", "price"],
                        "type": "object",
                        "properties": {
                            "name": {"title": "Name", "type": "string"},
                            "price": {"title": "Price", "type": "number"},
                            "description": {

    ],
)
def test_optional_schema(path: str):
    openapi = app.openapi()
    body_model_name = get_body_model_name(openapi, path)

    assert app.openapi()["components"]["schemas"][body_model_name] == {
        "properties": {
            "p": {
                "anyOf": [
                    {"type": "string", "format": "binary"},
                    {"type": "null"},
                ],
                "title": "P",
            }

)
def test_optional_str_schema(path: str):
    openapi = app.openapi()
    body_model_name = get_body_model_name(openapi, path)

    assert app.openapi()["components"]["schemas"][body_model_name] == {
        "properties": {
            "p": {
                "anyOf": [{"type": "string"}, {"type": "null"}],
                "title": "P",
            },
        },
        "title": body_model_name,
        "type": "object",
    }

        protected List<Map<String, String>> fessProps;
        /** Bug report properties. */
        protected List<Map<String, String>> bugReportProps;

        /**
         * Sets the environment properties.
         * @param envProps The environment properties.
         * @return This ApiSystemInfoResponse instance.
         */
        public ApiSystemInfoResponse envProps(final List<Map<String, String>> envProps) {

                    "title": "Body_create_upload_files_uploadfiles__post",
                    "required": ["files"],
                    "type": "object",
                    "properties": {
                        "files": {
                            "title": "Files",
                            "type": "array",
                            "items": {"type": "string", "format": "binary"},