import { StringFormatType } from '../../utils/index';
import { PatternValidatorBase } from './index';
export declare const VALIDATOR_ALPHABET_METADATA_KEY: unique symbol;
export declare function isAlphabet(styles?: string[], errorMessage?: StringFormatType): (target: Record<string, any>, propertyKey: string | symbol, descriptor: TypedPropertyDescriptor<any>) => void;
export declare const PATTERN_ALPHABET_UNIVERSAL: RegExp;
export declare const PATTERN_ALPHABET_US: RegExp;
export declare const PATTERN_ALPHABET_IR: RegExp;
export declare const PATTERN_ALPHABET_EN: RegExp;
export declare const PATTERN_ALPHABET_UE: RegExp;
export declare const PATTERN_ALPHABET_SA: RegExp;
export declare const PATTERN_ALPHABET_IQ: RegExp;
export declare const PATTERN_ALPHABET_AF: RegExp;
export declare class AlphabetValidator extends PatternValidatorBase {
    private styles;
    constructor(styles?: string[], errorMessage?: StringFormatType);
    private buildPattern;
    get Styles(): string[];
}