export declare function toArray<T>(val: T | T[]): T[];
export declare function objectToKeys<T extends object>(obj: T): (keyof T)[];
export declare function objectToEntries<T extends object>(obj: T): [keyof T, T[keyof T]][];
export declare function objectFromEntries<K extends PropertyKey, V>(entries: [K, V][]): Record<K, V>;
export declare function countOccurrences<T extends PropertyKey>(values: T[]): Partial<Record<T, number>>;
export declare function distinct<T extends string | number | boolean>(array: T[]): T[];
export declare function deepClone<T>(obj: T): T;
export declare function factorOf<T>(items: T[], filterFn: (i: T) => boolean): number;
type ArgumentValue = number | string | boolean | string[];
export type CliArgsObject<T extends object = Record<string, ArgumentValue>> = T extends never ? Record<string, ArgumentValue | undefined> | {
    _: string;
} : T;
/**
 * Converts an object with different types of values into an array of command-line arguments.
 *
 * @example
 * const args = objectToCliArgs({
 *   _: ['node', 'index.js'], // node index.js
 *   name: 'Juanita', // --name=Juanita
 *   formats: ['json', 'md'] // --format=json --format=md
 * });
 */
export declare function objectToCliArgs<T extends object = Record<string, ArgumentValue>>(params?: CliArgsObject<T>): string[];
export declare function toUnixPath(path: string): string;
export declare function toUnixNewlines(text: string): string;
export declare function fromJsonLines<T extends unknown[]>(jsonLines: string): T;
export declare function toJsonLines<T>(json: T[]): string;
export declare function toNumberPrecision(value: number, decimalPlaces: number): number;
export declare function toOrdinal(value: number): string;
export declare function removeUndefinedAndEmptyProps<T extends object>(obj: T): T;
export {};