import { Rule, RuleConfig } from '../validationRules';
export interface PatternRuleConfig extends RuleConfig {
    message?: string;
    pattern: string;
}
export declare class PatternRule extends Rule {
    config: PatternRuleConfig;
    defaultMessage: string;
    pattern?: RegExp;
    constructor(config: PatternRuleConfig);
    validate(value: any): string | null;
}