import { LangChainBaseMessage } from "./types.js";
import { StreamingTimingAccessors } from "@assistant-ui/core/react";
import { MessageTiming } from "@assistant-ui/core";
//#region src/streamingTiming.d.ts
declare const langChainStreamingTimingAccessors: StreamingTimingAccessors<LangChainBaseMessage>;
/**
 * Tracks per-message streaming timing for LangChain messages. Delegates to
 * the shared `useStreamingTiming` primitive in `@assistant-ui/core/react`,
 * adapted to the `LangChainBaseMessage` shape (`_getType() -> "ai"`, content
 * blocks including text/thinking/reasoning, `tool_calls`).
 */
declare const useLangChainStreamingTiming: (messages: readonly LangChainBaseMessage[], isRunning: boolean) => Record<string, MessageTiming>;
//#endregion
export { langChainStreamingTimingAccessors, useLangChainStreamingTiming };
//# sourceMappingURL=streamingTiming.d.ts.map