import { StringRuleChecker } from './string-rule-checker';
import { GuardResult } from '../../core/guard-result';
/**
 * ASCII pattern:
 * - Matching all 95 ASCII printable characters.
 */
export declare const ASCII_PATTERN = "^[ -~]+$";
export declare class StringIsAscii extends StringRuleChecker<{
    type: 'isAscii';
}> {
    constructor(rule: {
        type: 'isAscii';
    }, value: string);
    /**
     * @override
     */
    exec(): GuardResult;
    private isAscii;
}