import oracledb from 'oracledb';
import type { OraclePool } from './types.js';
/**
 * Create and return a connection pool for the read-only Oracle database - note READ-ONLY credentials should be used, to prevent any accidental data modifications. Pool is created lazily on first request and reused for subsequent connections. Pool is closed gracefully on application shutdown.
 */
export declare function getOrCreatePool(): Promise<OraclePool>;
/**
 * Get a connection from the pool
 */
export declare function getConnection(): Promise<oracledb.Connection>;
/**
 * Close the connection pool gracefully
 */
export declare function closePool(): Promise<void>;
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