export declare const isEmptyString: (value: unknown) => boolean;
export declare const isArrayWithValues: (value: unknown) => boolean;
export declare function notEmpty<TValue>(value: TValue | null | undefined): value is TValue;
export declare function isNumber(value: unknown): value is number;
export declare function uniqueCharacters(value: string): string;
/**
 * Function that returns true if input is a valid number greater than zero.
 * Otherwise it returns false
 * @param {unknown} value
 * @returns {boolean}
 */
export declare function isValidIdNumber(value: unknown): boolean;
/**
 * Checks if a given string is a valid date format.
 *
 * This function attempts to parse the input string into a timestamp.
 * If the parsing is successful and the result is a valid date, it returns `true`.
 * Otherwise, it returns `false`.
 *
 * @param {string} value
 * @returns {boolean}
 */
export declare function isValidDateFormat(value: string): boolean;
/**
 * Ensure a value is wrapped in an array.
 *
 * If passed an array, return it returns the same array. If passed a single item, wrap it in an array.
 * The function then filters out any empty strings and `undefined` values
 * @param val an item or array
 * @return an array
 */
export declare const asArray: <T>(val: T | T[]) => T[];
/**
 * Performs a deep comparison between two values to determine if they are deeply equal.
 * @param obj1 The first value to compare.
 * @param obj2 The second value to compare.
 * @returns
 */
export declare const deepCompare: (obj1: unknown, obj2: unknown) => boolean;
export declare const convertRecordToString: (record: Record<string, unknown>) => Record<string, string>;