import { TemplateData, DescriptorRelationship } from "../types/template-data.interface";
/**
 * Generate relationship operation DTO file content
 *
 * This generates DTOs for add/remove operations on MANY relationships:
 * - {Entity}{Relationship}AddItemDTO - Item with id, type, and optional meta
 * - {Entity}{Relationship}AddDTO - Batch add with array of items
 * - {Entity}{Relationship}AddSingleDataDTO - Single add data with optional meta
 * - {Entity}{Relationship}AddSingleDTO - Single add wrapper
 * - {Entity}{Relationship}RemoveItemDTO - Item with id and type
 * - {Entity}{Relationship}RemoveDTO - Batch remove with array of items
 *
 * @param data - Template data
 * @returns Generated TypeScript code, or null if no MANY relationships exist
 */
export declare function generateRelationshipDTOFile(data: TemplateData): string | null;
/**
 * Get the list of MANY relationships for generating relationship endpoints
 */
export declare function getManyRelationships(relationships: DescriptorRelationship[]): DescriptorRelationship[];
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