export declare function isEmptyArray<T = unknown>(value: T | T[]): value is T[];
export declare function pluckFromArray<T, K extends keyof T>(arr: T[], key: K): Array<T[K]>;
export declare function toRecord<T, K extends keyof T, V extends Extract<T[K], string | number>>(value: T[], key: V extends never ? never : K): Record<V, T>;
export declare function mapReduce<T, K extends keyof T, V extends Extract<T[K], string | number>, R>(value: T[], key: V extends never ? never : K, mapFn: (value: T) => R): Record<V, R>;
//# sourceMappingURL=array.d.ts.map