new_field.key_field = create_cloned_field(  # type: ignore[attr-defined]
            field.key_field,  # type: ignore[attr-defined]
            cloned_types=cloned_types,
        )
    new_field.validators = field.validators  # type: ignore[attr-defined]
    new_field.pre_validators = field.pre_validators  # type: ignore[attr-defined]
    new_field.post_validators = field.post_validators  # type: ignore[attr-defined]

from ._compat import PYDANTIC_V2, PYDANTIC_VERSION, Undefined

_Unset: Any = Undefined


class ParamTypes(Enum):
    query = "query"
    header = "header"
    path = "path"
    cookie = "cookie"


class Param(FieldInfo):
    in_: ParamTypes

    def __init__(
        self,
        default: Any = Undefined,
        *,
        default_factory: Union[Callable[[], Any], None] = _Unset,

        Required as Required,  # noqa: F401
    )
    from pydantic.fields import (  # type: ignore[no-redef,attr-defined]
        Undefined as Undefined,
    )
    from pydantic.fields import (  # type: ignore[no-redef, attr-defined]
        UndefinedType as UndefinedType,  # noqa: F401
    )
    from pydantic.schema import (
        field_schema,

 */

function readField(objects, objectName, fieldName) {
    let group = Object.values(objects).find(s => s.name === objectName);
    if (group) {
        const result = group[fieldName];
        if (result === undefined) {
            throw "readField: field '" + fieldName + "' not found on object named '" + objectName + "' with fields '" + Object.keys(group) + "'";
        } else {
            return result;
        }
    } else {

from typing import Any, Callable, Dict, List, Optional, Sequence, Union

from fastapi import params
from fastapi._compat import Undefined
from fastapi.openapi.models import Example
from typing_extensions import Annotated, Doc, deprecated

_Unset: Any = Undefined


def Path(  # noqa: N802
    default: Annotated[
        Any,
        Doc(
            """
            Default value if the parameter field is not set.

        test: str

    dq = deque([Model(test="test")])

    assert jsonable_encoder(dq)[0]["test"] == "test"


@needs_pydanticv2
def test_encode_pydantic_undefined():
    data = {"value": Undefined}

	BCL 20,undefined_symbol,LR      // BCL $20,CR0LT,LR // 4e800021
	BCL 20,undefined_symbol+1,LR    // BCL $20,CR0GT,LR // 4e810021

	// Verify the supported forms of bcctr[l]
	BC $20,CR0LT,CTR                // 4e800420
	BC $20,CR0GT,CTR                // 4e810420
	BC 20,CR0LT,CTR                 // BC $20,CR0LT,CTR // 4e800420
	BC 20,undefined_symbol,CTR      // BC $20,CR0LT,CTR // 4e800420

   * Ordering.from(comp1).compound(comp2).compound(comp3) . . .}.
   *
   * <p>The returned object is serializable if each of the {@code comparators} is serializable.
   *
   * <p><b>Warning:</b> Supplying an argument with undefined iteration order, such as a {@link
   * HashSet}, will produce non-deterministic results.
   *
   * <p><b>Java 8+ users:</b> Use a chain of calls to {@link Comparator#thenComparing(Comparator)},

	if crypto.S3.IsRequested(r.Header) || crypto.S3KMS.IsRequested(r.Header) { // If SSE-S3 or SSE-KMS present -> AWS fails with undefined error
		writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrBadRequest), r.URL)
		return
	}

	zipPath, object, err := splitZipExtensionPath(object)
	if err != nil {

   * contains all elements that are contained in either {@code set1} or {@code set2} but not in
   * both. The iteration order of the returned set is undefined.
   *
   * <p>Results are undefined if {@code set1} and {@code set2} are sets based on different
   * equivalence relations, for example if {@code set1} is a {@link HashSet} and {@code set2} is a