type Expand<T> = T extends infer O ? {
    [K in keyof O]: O[K];
} : never;
type SetPath<T, P extends string, V> = T extends readonly (infer U)[] ? SetPath<U, P, V>[] : P extends `${infer K}.${infer Rest}` ? K extends keyof T ? Expand<{
    [Key in keyof T]: Key extends K ? SetPath<T[K], Rest, V> : T[Key];
}> : Expand<T & {
    [Key in K]: SetPath<{}, Rest, V>;
}> : P extends keyof T ? Expand<{
    [Key in keyof T]: Key extends P ? V : T[Key];
}> : Expand<T & {
    [Key in P]: V;
}>;
export declare function withProp<T extends object, P extends string, V>(obj: T, path: P, value: V): SetPath<T, P, V>;
interface ChainWrapper<T> {
    set<P extends string, V>(path: P, value: V): ChainWrapper<SetPath<T, P, V>>;
    value(): T;
}
/**
 * 객체를 감싸서 체이닝을 시작합니다.
 */
export declare function withProps<T extends object>(obj: T): ChainWrapper<T>;
export {};
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