* `tags: List[str] = []` has a default of an empty list: `[]`.

but you might want to omit them from the result if they were not actually stored.

For example, if you have models with many optional attributes in a NoSQL database, but you don't want to send very long JSON responses full of default values.

### Use the `response_model_exclude_unset` parameter { #use-the-response-model-exclude-unset-parameter }

    return method


def test_wrapped_method_type_inference():
    """
    Regression test ensuring that when a method imported from another module
    is decorated with something that sets the __wrapped__ attribute (functools.wraps),
    then the types are still processed correctly, including dereferencing of forward
    references.
    """
    app = FastAPI()
    client = TestClient(app)

     */
    @Nonnull
    Optional<Boolean> infer();

    /**
     * Should fix Maven 4 compatibility issues in POMs.
     * This includes fixing unsupported combine attributes, duplicate dependencies,
     * unsupported expressions, and other Maven 4 validation issues.
     *
     * @return an {@link Optional} containing the boolean value {@code true} if specified, or empty
     */
    @Nonnull

### Use the `app.dependency_overrides` attribute { #use-the-app-dependency-overrides-attribute }

For these cases, your **FastAPI** application has an attribute `app.dependency_overrides`, it is a simple `dict`.

    public static final int FILE_NOTIFY_CHANGE_FILE_NAME = 0x1;
    /**
     * Notify when a directory name changes
     */
    public static final int FILE_NOTIFY_CHANGE_DIR_NAME = 0x2;
    /**
     * Notify when file attributes change
     */
    public static final int FILE_NOTIFY_CHANGE_ATTRIBUTES = 0x4;
    /**
     * Notify when file size changes
     */
    public static final int FILE_NOTIFY_CHANGE_SIZE = 0x8;
    /**

	return opts, valid
}

func parseObjectAttributes(h http.Header) (attributes map[string]struct{}) {
	attributes = make(map[string]struct{})
	for _, headerVal := range h.Values(xhttp.AmzObjectAttributes) {
		for v := range strings.SplitSeq(strings.TrimSpace(headerVal), ",") {
			if v != "" {
				attributes[v] = struct{}{}
			}
		}
	}

	return attributes
}

/**
 * Trans2 QueryPathInformation request message for querying file metadata.
 * This class implements the TRANS2_QUERY_PATH_INFORMATION transaction to retrieve
 * various file information levels such as basic info, standard info, and attributes.
 */
public class Trans2QueryPathInformation extends SmbComTransaction {

    private final int informationLevel;

    /**
     * Constructs a Trans2QueryPathInformation request.
     *

   *
   * <p><b>Note:</b> Double and single quotes are not escaped, so it is <b>not safe</b> to use this
   * escaper to escape attribute values. Use {@link #xmlContentEscaper} if the output can appear in
   * element content or {@link #xmlAttributeEscaper} in attribute values.
   *
   * <p>This escaper substitutes {@code 0xFFFD} for non-whitespace control characters and the

			Optional:    true,
			Type:        "string",
		},
		config.HelpKV{
			Key:         UserDNAttributes,
			Description: `"," separated list of user DN attributes e.g. "uid,cn,mail,sshPublicKey"` + defaultHelpPostfix(UserDNAttributes),
			Optional:    true,
			Type:        "list",
		},
		config.HelpKV{
			Key:         GroupSearchFilter,

}

// Unique returns whether the index is unique or not.
func (idx Index) Unique() (unique bool, ok bool) {
	return idx.UniqueValue.Bool, idx.UniqueValue.Valid
}

// Option return the optional attribute of the index
func (idx Index) Option() string {
	return idx.OptionValue