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This warning is raised when using deprecated functionality in Pydantic. It provides information on when the
    deprecation was introduced and the expected version in which the corresponding functionality will be removed.

Attributes:
        message: Description of the warning.
        since: Pydantic version in what the deprecation was introduced.
        expected_removal: Pydantic version in what the corresponding functionality expected to be removed.
    """

message: str
    since: tuple[int, int]
    expected_removal: tuple[int, int]

def __init__(
        self, message: str, *args: object, since: tuple[int, int], expected_removal: tuple[int, int] | None = None
    ) -> None:
        super().__init__(message, *args)
        self.message = message.rstrip('.')
        self.since = since
        self.expected_removal = expected_removal if expected_removal is not None else (since[0] + 1, 0)

def __str__(self) -> str:
        message = (
            f'{self.message}. Deprecated in Pydantic V{self.since[0]}.{self.since[1]}'
            f' to be removed in V{self.expected_removal[0]}.{self.expected_removal[1]}.'
        )
        if self.since == (2, 0):
            message += f' See Pydantic V2 Migration Guide at https://errors.pydantic.dev/{version_short()}/migration/'
        return message

class PydanticDeprecatedSince20(PydanticDeprecationWarning):
    """A specific `PydanticDeprecationWarning` subclass defining functionality deprecated since Pydantic 2.0."""

def __init__(self, message: str, *args: object) -> None:
        super().__init__(message, *args, since=(2, 0), expected_removal=(3, 0))

class PydanticDeprecatedSince26(PydanticDeprecationWarning):
    """A specific `PydanticDeprecationWarning` subclass defining functionality deprecated since Pydantic 2.6."""

def __init__(self, message: str, *args: object) -> None:
        super().__init__(message, *args, since=(2, 0), expected_removal=(3, 0))

class GenericBeforeBaseModelWarning(Warning):
    pass

class PydanticExperimentalWarning(Warning):
    """A Pydantic specific experimental functionality warning.

This warning is raised when using experimental functionality in Pydantic.
    It is raised to warn users that the functionality may change or be removed in future versions of Pydantic.
    """