import { MessageFunctionType, Result } from '../types';
export interface IsByteLengthErrors {
    TARGET_ARGUMENT_NOT_A_STRING: MessageFunctionType;
    MIN_NOT_NON_NEGATIVE_FINITE: MessageFunctionType;
    MIN_NOT_LESS_THAN_OR_EQUAL_TO_MAX: MessageFunctionType;
}
export declare const IS_BYTE_LENGTH_ERRORS: IsByteLengthErrors;
/**
 * IsByteLength Options.
 */
export interface IsByteLengthOptions {
    min?: number;
    max?: number;
}
/**
 * Checks whether the `target` string's length (in UTF-8 bytes)
 * falls in the defined range.
 *
 * If the `max` option is undefined, it is set to `Infinity`.
 *
 * ### Example
 * ```
 * expect(isByteLength('abc', {min: 2, max: 3}).value).toBeTruthy()
 * ```
 *
 * @param target The target string
 * @param options The option parameters containing the min and max length of the string
 */
export declare function isByteLength(target: string, options?: IsByteLengthOptions): Result<boolean | undefined>;