export declare type Resolved<T> = {
    "0": {
        [K in keyof T]: T[K];
    };
}["0"];
export declare type UnionToIntersection<U> = (U extends any ? (k: U) => void : never) extends (k: infer I) => void ? I : never;
export interface DeepRecord<T> {
    [key: string]: T | DeepRecord<T>;
}
export declare function last<T>(arr: T[]): T | undefined;
export declare function is(x: unknown, y: unknown): boolean;
export declare function isPlainObject(obj: unknown): obj is Record<string, unknown>;
export declare function mergeObjects<T>(target: DeepRecord<T>, source: DeepRecord<T>, fn?: (item: T, key: string, parent: DeepRecord<T>, paths: readonly string[]) => void, paths?: string[]): DeepRecord<T>;
export declare function flattenObject<T>(obj: DeepRecord<T>, separator?: string): Record<string, T>;
export declare function concatLastString(str: string, lastStr: string | undefined, separator?: string): string;
export declare function splitLastString(str: string, separator?: string): [string, string];
export declare function defineGetter<TObject, TKey extends keyof TObject>(obj: TObject, p: TKey, get: () => TObject[TKey]): void;