import { CentralDBConfig } from "../types/dbTypes";
export declare function fetchDBConfig(appId: string, orgId: string): Promise<CentralDBConfig | null>;
/**
 * Invalidate cached config for a specific tenant
 */
export declare function invalidateConfigCache(appId: string, orgId: string): void;
/**
 * Clear all cached configs
 */
export declare function clearConfigCache(): void;
/**
 * Close the central database pool
 * Should be called during graceful shutdown
 */
export declare function closeCentralDB(): Promise<void>;