)
    if isinstance(obj, Enum):
        return obj.value
    if isinstance(obj, PurePath):
        return str(obj)
    if isinstance(obj, (str, int, float, type(None))):
        return obj
    if isinstance(obj, PydanticUndefinedType):
        return None
    if isinstance(obj, dict):
        encoded_dict = {}
        allowed_keys = set(obj.keys())
        if include is not None:

    test_path = PurePath("/foo", "bar")
    obj = ModelWithPath(path=test_path)
    assert jsonable_encoder(obj) == {"path": str(test_path)}


def test_encode_model_with_pure_posix_path():
    class ModelWithPath(BaseModel):
        path: PurePosixPath

        model_config = {"arbitrary_types_allowed": True}

    obj = ModelWithPath(path=PurePosixPath("/foo", "bar"))

                if (first) {
                    first = false;
                } else {
                    buf.append(',');
                }
                buf.append(escapeJson(entry.getKey())).append(':').append(escapeJson(entry.getValue()));
            }
            buf.append('}');
        } else if (obj instanceof Integer || obj instanceof Long || obj instanceof Float || obj instanceof Double) {

	top := pList.Firstpc
	var text *obj.LSym
	ok = true
	ctxt.DiagFunc = func(format string, args ...any) {
		t.Errorf(format, args...)
		ok = false
	}
	obj.Flushplist(ctxt, pList, nil)

	if !ok {
		// If we've encountered errors, the output is unlikely to be sane.
		t.FailNow()
	}

	for p := top; p != nil; p = p.Link {
		if p.As == obj.ATEXT {
			text = p.From.Sym
		}

    protected String doBackward(String s) {
      return targetFormat.to(sourceFormat, s);
    }

    @Override
    public boolean equals(@Nullable Object obj) {
      if (obj instanceof StringConverter) {
        StringConverter that = (StringConverter) obj;
        return sourceFormat.equals(that.sourceFormat) && targetFormat.equals(that.targetFormat);
      }
      return false;
    }

    @Override

    protected String doBackward(String s) {
      return targetFormat.to(sourceFormat, s);
    }

    @Override
    public boolean equals(@Nullable Object obj) {
      if (obj instanceof StringConverter) {
        StringConverter that = (StringConverter) obj;
        return sourceFormat.equals(that.sourceFormat) && targetFormat.equals(that.targetFormat);
      }
      return false;
    }

    @Override

                    final Object obj = source.get(s);
                    if (obj instanceof Date) {
                        return false;
                    }
                    return !validateDateTimeString(source.get(s));
                }).collect(Collectors.toList()));
    }

    default boolean validateDateTimeString(final Object obj) {

     *
     * @param obj the object containing anchor URLs (String or List of Strings)
     * @return a set of RequestData objects for the anchor URLs, or null if no valid URLs found
     */
    protected Set<RequestData> getAnchorSet(final Object obj) {
        if (obj == null) {
            return null;
        }

        List<String> anchorList;
        if (obj instanceof final String s) {

        for sub_annotation in get_args(annotation)
    )


def is_pydantic_v1_model_instance(obj: Any) -> bool:
    with warnings.catch_warnings():
        warnings.simplefilter("ignore", UserWarning)
        from pydantic import v1
    return isinstance(obj, v1.BaseModel)


def is_pydantic_v1_model_class(cls: Any) -> bool:
    with warnings.catch_warnings():

     */
    private Object getField(Object obj, String fieldName) throws Exception {
        Class<?> clazz = obj.getClass();
        while (clazz != null) {
            try {
                java.lang.reflect.Field field = clazz.getDeclaredField(fieldName);
                field.setAccessible(true);
                return field.get(obj);
            } catch (NoSuchFieldException e) {