/**
 * Normalize sort parameter to include _DESC by default
 */
export declare function processSortParameter(sortValue: string): string;
/**
 * Convert display parameter to PrestaShop-compatible format
 * Returns null for minimal (no display parameter = IDs only)
 */
export declare function processDisplayParameter(displayValue: string, resource: string, customFields?: string): string | null;
/**
 * Process PrestaShop response for direct resource access
 */
export declare function processResponseForMode(rawData: any, resource: string): any;
/**
 * Simplifies PrestaShop XML/JSON response to simplified JSON
 */
export declare function simplifyPrestashopResponse(rawData: any, resource: string): any;
/**
 * Builds PrestaShop XML from simplified JSON
 */
export declare function buildPrestashopXml(resource: string, data: any): string;