export declare const Arrays: {
    seq(count: number): unknown[];
    partition<T>(array: T[], testFct: (input: T) => boolean): {
        filter: T[];
        filterNot: T[];
    };
    findMap<T_1, B>(array: T_1[], mapFct: (input: T_1) => B | undefined): B[];
    deduplicate<T_2>(array: T_2[]): T_2[];
    deduplicateBy<T_3>(array: T_3[], keyFct: (value: T_3) => string): T_3[];
    contains<T_4>(array: T_4[], value: T_4): boolean;
    maxBy<T_5>(array: T_5[], valueFct: (item: T_5) => number): T_5 | undefined;
    min<T_6>(array: T_6[], valueFct: (item: T_6) => number): number | undefined;
    max<T_7>(array: T_7[], valueFct: (item: T_7) => number): number | undefined;
    sortBy<T_8>(array: T_8[], valuesFct: (value: T_8) => number[]): void;
};