/**
 * Checks if the string's length is not more than target number.
 * Note: this function takes into account surrogate pairs.
 * If given value is not a string, then it returns false.
 *
 * @param value The value being checked.
 * @param target The maximum target length
 * @returns True if the string's length is not less than given target number, false otherwise.
 */
export declare function isLengthLessThan(value: string, target: number): boolean;