import { ConnectVo } from "../context/tenantContext";
import { AnyConnection } from "../types/dbTypes";
interface ConnectionData {
    connection: AnyConnection;
    dbType: string;
    config?: {
        schema?: string;
    };
    lastValidated?: number;
}
export declare function getConnection(tenant?: ConnectVo): Promise<ConnectionData>;
export declare function closeConnection(tenant?: ConnectVo): Promise<void>;
export declare function closeAllConnections(): Promise<void>;
/**
 * Get connection pool statistics for monitoring
 */
export declare function getConnectionStats(): {
    cachedConnections: number;
    pendingConnections: number;
    cacheMaxSize: number;
};
export {};