/** Buffered consumption of the knowledge chat SSE stream: deltas concatenate into one complete answer. */
export interface ChatResult {
    answer: string;
    requestId?: string;
}
/**
 * Consume one chat SSE response to completion.
 * @param res - the SSE response from KbClient.postSse.
 * @returns the concatenated answer and the last seen request id.
 */
export declare function consumeChatStream(res: Response): Promise<ChatResult>;