import { Connection } from "../DataStructures/Connection";
/**
 * Retrieves a connection by its ID.
 * Checks local cache first, then fetches from backend if needed.
 *
 * **Complex Logic**: Checks ConnectionData cache, falls back to API request,
 * supports cache server fallback for resilience.
 *
 * @param id - Connection ID to retrieve
 * @returns Connection object or default connection if not found
 *
 * @example
 * const connection = await GetConnection(789);
 */
export declare function GetConnection(id: number): Promise<Connection | undefined>;