import { DataStreamProtocol } from "./protocol.js";
import { LocalRuntimeOptions } from "@assistant-ui/core/react";
import { AssistantRuntime, ThreadMessage } from "@assistant-ui/core";
//#region src/useDataStreamRuntime.d.ts
type HeadersValue = Record<string, string> | Headers;
export type UseDataStreamRuntimeOptions = {
  api: string;
  /** Defaults to response-header detection, then "ui-message-stream". */
  protocol?: DataStreamProtocol;
  /** Callback for data-* parts (ui-message-stream only). */
  onData?: (data: {
    type: string;
    name: string;
    data: unknown;
    transient?: boolean;
  }) => void;
  onResponse?: (response: Response) => void | Promise<void>;
  onFinish?: (message: ThreadMessage) => void;
  onError?: (error: Error) => void;
  onCancel?: () => void;
  credentials?: RequestCredentials;
  headers?: HeadersValue | (() => Promise<HeadersValue>);
  body?: object | (() => Promise<object | undefined>);
  sendExtraMessageFields?: boolean;
} & LocalRuntimeOptions;
export declare const useDataStreamRuntime: (options: UseDataStreamRuntimeOptions) => AssistantRuntime;
//#endregion
export type { DataStreamProtocol };
//# sourceMappingURL=useDataStreamRuntime.d.ts.map