import { n as EventPayload, r as EventSubscriber } from "./event-subscriber-base-DOVIZK7N.cjs";

//#region src/file.d.ts
interface FileSubscriberConfig {
  /** File path to append newline-delimited JSON events to. */
  path: string;
  /** Enable or disable the subscriber. Default `true`. */
  enabled?: boolean;
  /** Pretty-print each event as indented JSON instead of one line. Default `false`. */
  pretty?: boolean;
  /** Create parent directories if they do not exist. Default `true`. */
  mkdir?: boolean;
  /**
   * Transform a payload before writing. Return `null` to skip the event.
   * Defaults to writing the normalized payload unchanged.
   */
  transform?: (payload: EventPayload) => Record<string, unknown> | null;
}
declare class FileSubscriber extends EventSubscriber {
  readonly name = "FileSubscriber";
  readonly version = "1.0.0";
  private readonly filePath;
  private readonly pretty;
  private readonly ensureDir;
  private readonly transform?;
  /** Serializes writes so concurrent events never interleave on disk. */
  private writeChain;
  private dirEnsured;
  constructor(config: FileSubscriberConfig);
  protected sendToDestination(payload: EventPayload): Promise<void>;
  private write;
  shutdown(): Promise<void>;
}
//#endregion
export { FileSubscriber, FileSubscriberConfig };
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