import pg, { type Pool, type PoolClient } from 'pg';
export type GetDBClientOptions = {
    pool?: Pool;
    connectionString?: string;
    retries?: number;
    onRetry?: (error: Error, attempt: number) => void;
};
export declare function getDBClient(options?: GetDBClientOptions): Promise<PoolClient>;
export declare function queryDb(queryText: string, params?: any[], options?: GetDBClientOptions): Promise<pg.QueryResult>;
export declare function getNewClient(options?: GetDBClientOptions): Promise<pg.Client>;
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