import { BaseValidator } from './base.validator.js';
/**
 * Factory to create the appropriate validator based on the XML format
 */
export declare class ValidatorFactory {
    /**
     * Creates a validator for the specified XML content
     * @param xml XML content to validate
     * @returns Appropriate validator instance
     */
    static createValidator(xml: string): BaseValidator;
    /**
     * Detects the invoice format from XML content
     * @param xml XML content to analyze
     * @returns Detected invoice format
     */
    private static detectFormat;
}