from .v2 import is_sequence_field as is_sequence_field
from .v2 import serialize_sequence_value as serialize_sequence_value
from .v2 import (
    with_info_plain_validator_function as with_info_plain_validator_function,

    def __get_pydantic_core_schema__(
        cls, source: type[Any], handler: Callable[[Any], Mapping[str, Any]]
    ) -> Mapping[str, Any]:
        from ._compat.v2 import with_info_plain_validator_function

        return with_info_plain_validator_function(cls._validate)


class DefaultPlaceholder:
    """
    You shouldn't use this class directly.

try:
    from pydantic_core.core_schema import (
        with_info_plain_validator_function as with_info_plain_validator_function,
    )
except ImportError:  # pragma: no cover
    from pydantic_core.core_schema import (
        general_plain_validator_function as with_info_plain_validator_function,  # noqa: F401
    )

RequiredParam = PydanticUndefined
Undefined = PydanticUndefined

from collections.abc import Iterable, Mapping
from enum import Enum
from typing import Annotated, Any, Callable, Optional, Union

from fastapi._compat import with_info_plain_validator_function
from fastapi.logger import logger
from pydantic import (
    AnyUrl,
    BaseModel,
    Field,
    GetJsonSchemaHandler,
)
from typing_extensions import Literal, TypedDict
from typing_extensions import deprecated as typing_deprecated

try: