import type { ConnectionPoolClient } from "./factories/createConnectionPool.js";
export type PoolClientState = {
    activeQuery?: PromiseWithResolvers<null>;
    connectionId: string;
    poolId: string;
    terminated: Error | null;
    transactionDepth: null | number;
    transactionId: null | string;
};
export declare const poolClientStateMap: WeakMap<ConnectionPoolClient, PoolClientState>;
export declare const getPoolClientState: (poolClient: ConnectionPoolClient) => PoolClientState;
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