field_params = {f.name: (f.field_info.annotation, f.field_info) for f in fields}
        BodyModel: Type[BaseModel] = create_model(model_name, **field_params)  # type: ignore[call-overload]
        return BodyModel

    def get_model_fields(model: Type[BaseModel]) -> List[ModelField]:
        return [
            ModelField(field_info=field_info, name=name)
            for name, field_info in model.model_fields.items()
        ]

        # Set default for Annotated FieldInfo
        if isinstance(fastapi_annotation, FieldInfo):
            # Copy `field_info` because we mutate `field_info.default` below.
            field_info = copy_field_info(
                field_info=fastapi_annotation, annotation=use_annotation
            )
            assert (
                field_info.default is Undefined or field_info.default is RequiredParam
            ), (

        (ParamTypes.cookie, cookie_params),
    ]
    for param_type, param_group in parameter_groups:
        for param in param_group:
            field_info = param.field_info
            # field_info = cast(Param, field_info)
            if not getattr(field_info, "include_in_schema", True):
                continue
            param_schema = get_schema_from_model_field(
                field=param,

from fastapi.openapi.models import Example
from pydantic.fields import FieldInfo
from typing_extensions import Annotated, deprecated

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,