# This file was auto-generated by Fern from our API Definition.

import typing

from ..core import enum

T_Result = typing.TypeVar("T_Result")


class IChangeOperation(enum.StrEnum):
    REMOVE = "REMOVE"
    ADD = "ADD"
    UPDATE = "UPDATE"
    _UNKNOWN = "__ICHANGEOPERATION_UNKNOWN__"
    """
    This member is used for forward compatibility. If the value is not recognized by the enum, it will be stored here, and the raw value is accessible through `.value`.
    """

    @classmethod
    def _missing_(cls, value: typing.Any) -> "IChangeOperation":
        unknown = cls._UNKNOWN
        unknown._value_ = value
        return unknown

    def visit(
        self,
        remove: typing.Callable[[], T_Result],
        add: typing.Callable[[], T_Result],
        update: typing.Callable[[], T_Result],
        _unknown_member: typing.Callable[[str], T_Result],
    ) -> T_Result:
        if self is IChangeOperation.REMOVE:
            return remove()
        if self is IChangeOperation.ADD:
            return add()
        if self is IChangeOperation.UPDATE:
            return update()
        return _unknown_member(self._value_)
