export type DiscriminatedUnionVisitor<T extends Record<Discriminant, string>, U, Discriminant extends string> = {
    [D in T[Discriminant]]: (value: Extract<T, Record<Discriminant, D>>) => U;
} & {
    _other?: (value: Record<Discriminant, string>) => U;
};
export declare function visitDiscriminatedUnion<T extends Record<"type", string>>(item: T): {
    _visit: <U>(visitor: DiscriminatedUnionVisitor<T, U, "type">) => U;
};
export declare function visitDiscriminatedUnion<T extends Record<Discriminant, string>, Discriminant extends string>(item: T, discriminant: Discriminant): {
    _visit: <U>(visitor: DiscriminatedUnionVisitor<T, U, Discriminant>) => U;
};
export default visitDiscriminatedUnion;
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