export declare const generateNumberArray: (amount: number) => number[];
export declare const generateStringArray: (amount: number) => string[];
export declare const groupBy: <T, K extends string, R extends Record<K, T[]> = Record<K, T[]>>(keyExtractor: (value: T) => K) => ((accumulator: R, currentValue: T) => R);
export declare const uniqueReducer: <T>(accumulator: T[], currentValue: T) => T[];
export declare const arrayEquals: <T>(arr1: T[], arr2: T[]) => boolean;
export declare const getImmutableArray: <T>() => T[];
export declare const findNearestElement: <T>(array: T[], value: T, defaultValue?: T) => T | undefined;
export declare const range: (start: number, end: number) => number[];
export declare const mergeUnique: <T>(array1: T[], array2: T[], comparator: (a: T, b: T) => boolean) => T[];
export declare const convertToArray: <T>(value: T | Array<T>) => Array<T>;