It doesn't return a large `str` containing the data in JSON format (as a string). It returns a Python standard data structure (e.g. a `dict`) with values and sub-values that are all compatible with JSON.

/// note

`jsonable_encoder` is actually used by **FastAPI** internally to convert data. But it is useful in many other scenarios.

 * @author codelibs
 * @author Shunji Makino
 */
public class CreateForm {

    @ValidateTypeFailure
    public Integer crudMode;

    @Size(max = 100)
    public String hostname;

    @Min(value = 0)
    @Max(value = 2147483647)
    @ValidateTypeFailure
    public Integer port;

    @Size(max = 100)
    public String authRealm;

    @Size(max = 10)
    public String protocolScheme;

    @Required

 * @author Keiichi Watanabe
 */
public class CreateForm {

    @ValidateTypeFailure
    public Integer crudMode;

    @Size(max = 100)
    public String hostname;

    @Min(value = 0)
    @Max(value = 2147483647)
    @ValidateTypeFailure
    public Integer port;

    @Size(max = 10)
    public String protocolScheme;

    @Required
    @Size(max = 100)
    public String username;

    @Required
    @Size(max = 100)
    public String term;

    @Required
    @CustomSize(maxKey = "form.admin.max.input.size")
    public String query;

    @Required
    @Min(value = 0)
    @Max(value = 2147483647)
    @ValidateTypeFailure
    public Integer maxSize;

    @Required
    @ValidateTypeFailure
    public Float boost;

    @Size(max = 1000)
    public String virtualHost;

    private static final String WEB_API_EXCEPTION = "webApiException";

    private WebApiUtil() {
    }

    public static void setObject(final String name, final Object value) {
        LaRequestUtil.getOptionalRequest().ifPresent(req -> req.setAttribute(name, value));
    }

    @SuppressWarnings("unchecked")
    public static <T> T getObject(final String name) {

            if (propValue.startsWith("!")) {
                reverseValue = true;
                propValue = propValue.substring(1);
            }

            // we have a value, so it has to match the system value...
            return reverseValue != propValue.equals(sysValue);
        } else {
            return reverseName != (sysValue != null && !sysValue.isEmpty());
        }
    }

    @Override

                    e);
        }
    }

    private boolean isStrict(Map<String, ?> options) {
        Object value = (options != null) ? options.get(IS_STRICT) : null;
        return value == null || Boolean.parseBoolean(value.toString());
    }

        String hash;
        if (StringUtil.isNotBlank(form.hash)) {
            final String value = URLUtil.decode(form.hash, Constants.UTF_8);
            if (targetUrl.indexOf('#') == -1) {
                final StringBuilder buf = new StringBuilder(value.length() + 100);
                for (final char c : value.toCharArray()) {
                    if (CharUtil.isUrlChar(c) || c == ' ') {
                        buf.append(c);

                        "msg": "ensure this value is less than or equal to 100",
                        "ctx": {"limit_value": 100},
                    },
                    {
                        "type": "value_error.number.not_ge",
                        "loc": ["query", "offset"],
                        "msg": "ensure this value is greater than or equal to 0",

<div class="wrapper">
    <jsp:include page="/WEB-INF/view/common/admin/header.jsp"></jsp:include>
    <jsp:include page="/WEB-INF/view/common/admin/sidebar.jsp">
        <jsp:param name="menuCategoryType" value="dashboard"/>
        <jsp:param name="menuType" value="dashboard"/>
    </jsp:include>

    <div class="content-wrapper position-relative">
        <iframe class="w-100 h-100 position-absolute" frameborder="0"