import { Connection } from '../DataStructures/Connection';
/**
 * Retrieves connections for multiple compositions in bulk.
 * Optimizes fetching by batching multiple composition IDs in one request.
 *
 * **Complex Logic**: Checks in-memory cache, fetches from API, detects deletions
 * by comparing old and new data, and bulk-fetches related concepts.
 *
 * @param composition_ids - Array of composition IDs to fetch connections for
 * @returns Array of Connection objects for all compositions
 *
 * @example
 * const connections = await GetAllConnectionsOfCompositionBulk([123, 456, 789]);
 */
export declare function GetAllConnectionsOfCompositionBulk(composition_ids?: number[]): Promise<any>;
/**
 * Fetches connections for multiple compositions directly from backend.
 * Internal helper function for GetAllConnectionsOfCompositionBulk.
 *
 * @param composition_ids - Array of composition IDs
 * @returns Array of Connection objects from backend
 */
export declare function GetAllConnectionsOfCompositionOnline(composition_ids?: number[]): Promise<Connection[] | undefined>;