import { MessageFunctionType, Result } from '../types';
export interface RTrimErrors {
    TARGET_ARGUMENT_NOT_A_STRING: MessageFunctionType;
    CHARS_ARGUMENT_NOT_A_STRING: MessageFunctionType;
}
export declare const RTRIM_ERRORS: RTrimErrors;
/**
 *
 * @param target The target
 * @param chars The charachters
 */
export declare function rtrim(target: string, chars: string): Result<string | undefined>;