/**
 * XSD Validator for AIFMD Annex IV XML
 *
 * PRIMARY method: Zod-based input validation (works without native dependencies).
 * OPTIONAL enhancement: XSD validation via libxmljs2 (C++ addon) if available.
 */
export interface ValidationResult {
    valid: boolean;
    errors: Array<{
        message: string;
        line?: number | null;
        path?: string;
    }>;
    warnings: string[];
    method: 'zod' | 'xsd' | 'pattern';
}
/**
 * Validate Annex IV data BEFORE XML was generated.
 * Uses Zod schemas to validate input data structure and ESMA requirements.
 */
export declare function validateAnnexIVData(data: any): ValidationResult;
/**
 * Validate Annex IV XML against the ESMA XSD schema.
 *
 * PRIMARY method: Zod-based validation (non-XML data validation).
 * OPTIONAL enhancement: XSD validation if libxmljs2 is available.
 *
 * NOTE: For input data validation before XML generation, use validateAnnexIVData().
 */
export declare function validateAnnexIVXml(xml: string): Promise<ValidationResult>;
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