import { BroadcastChannelOptions } from "broadcast-channel";
import { QueryClient, QueryKey } from "@tanstack/query-core";
//#region src/index.d.ts
/**
 * Metadata describing a broadcast that failed to be delivered to other tabs.
 * Passed to {@link BroadcastQueryClientOptions.onBroadcastError} so callers
 * can correlate failures with the originating query.
 */
interface BroadcastErrorEvent {
  type: 'updated' | 'removed' | 'added';
  queryHash: string;
  queryKey: QueryKey;
}
interface BroadcastQueryClientOptions {
  /** The QueryClient to sync. */
  queryClient: QueryClient;
  /**
   * Unique channel name used to communicate between tabs and windows.
   * @default 'tanstack-query'
   */
  broadcastChannel?: string;
  /** Options forwarded to the underlying `BroadcastChannel`. */
  options?: BroadcastChannelOptions;
  /**
   * Called when a query event fails to broadcast to other tabs — most
   * commonly because the query's `state.data`, `state.error`, or `queryKey`
   * contains a value the structured-clone algorithm cannot serialize
   * (e.g. `ReadableStream`, `File`, functions, Vue `reactive` proxies).
   *
   * Provide this to route failures to an error tracker. If omitted, a
   * `console.warn` is emitted in development so failures are never silent.
   *
   * May return a `Promise`; any rejection is caught internally so it cannot
   * cause a secondary unhandled rejection.
   */
  onBroadcastError?: (error: unknown, event: BroadcastErrorEvent) => void | Promise<void>;
}
declare function broadcastQueryClient({ queryClient, broadcastChannel, options, onBroadcastError }: BroadcastQueryClientOptions): () => void;
//#endregion
export { BroadcastErrorEvent, broadcastQueryClient };
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