import { MessageFunctionType, Result } from '../types';
export interface IsAsciiErrors {
    TARGET_ARGUMENT_NOT_A_STRING: MessageFunctionType;
}
export declare const IS_ASCII_ERRORS: IsAsciiErrors;
/**
 * Checks whether the `target` conforms to the ascii standard
 *
 * ###
 * ```
 * expect(isAscii('foobar')).toBeTruthy()
 * ```
 * @param target The target
 */
export declare function isAscii(target: string): Result<boolean | undefined>;