import { Channel, Event, SubscribeParams } from "@langchain/protocol";

//#region src/client/stream/subscription.d.ts
/**
 * Maps a protocol event method to its subscription channel.
 *
 * Returns `undefined` for unrecognized methods so that new server-side
 * channels (e.g. from extension transformers) don't break existing clients.
 *
 * @param event - Event whose method should be mapped to a channel.
 */
declare function inferChannel(event: Event): Channel | undefined;
/**
 * Returns whether an event should be delivered for a subscription definition.
 *
 * @param event - Event being checked for delivery.
 * @param definition - Subscription filter definition to evaluate against.
 */
declare function matchesSubscription(event: Event, definition: SubscribeParams): boolean;
//#endregion
export { inferChannel, matchesSubscription };
//# sourceMappingURL=subscription.d.ts.map