import { E as EmailEvent, a as EventStore } from "../packem_shared/event-bus.d-BNQA-FZE.js";
export { A as ALL_EVENTS, type b as EmailEventListener, type c as EmailEventType, d as EventBus } from "../packem_shared/event-bus.d-BNQA-FZE.js";
/**
 * An in-memory {@link EventStore}. Events are grouped by `messageId`; events without one are kept
 * under a shared `__unkeyed` bucket so nothing is silently dropped.
 */
declare class MemoryEventStore implements EventStore {
  private static readonly UNKEYED;
  private readonly byMessage;
  /**
   * Appends an event to its message's bucket.
   * @param event The event to store.
   */
  append(event: EmailEvent): void;
  /**
   * Reconstructs the time-ordered timeline for a single message.
   * @param messageId The message to reconstruct.
   * @returns The message's events, oldest first.
   */
  timeline(messageId: string): EmailEvent[];
  /**
   * Returns every stored event, ordered by timestamp.
   * @returns All events.
   */
  all(): EmailEvent[];
  /**
   * Removes all stored events.
   */
  clear(): void;
}
export { type EmailEvent, type EventStore, MemoryEventStore };