import type { Transaction } from '../connections/Connection.js';
import type { EntityManager } from '../EntityManager.js';
import type { TransactionEventType } from '../enums.js';
/** Broadcasts transaction lifecycle events (start, commit, rollback) through the EventManager. */
export declare class TransactionEventBroadcaster {
    private readonly em;
    readonly context?: {
        topLevelTransaction?: boolean;
    } | undefined;
    constructor(em: EntityManager, context?: {
        topLevelTransaction?: boolean;
    } | undefined);
    /** Dispatches a transaction lifecycle event to the EventManager. */
    dispatchEvent(event: TransactionEventType, transaction?: Transaction): Promise<void>;
}