import type { HarnessStreamPart } from '@ariaflowagents/core';
import type { StreamAdapterConfig } from './types.js';
/**
 * Convert AriaFlow's HarnessStreamPart generator into an SSE Response
 * that CF's AIChatAgent._reply() can parse.
 *
 * CF's _streamSSEReply reads lines in the format:
 *   data: {"type":"text-start"}\n\n
 *   data: {"type":"text-delta","delta":"Hello"}\n\n
 *   data: {"type":"tool-input-available","toolCallId":"...","toolName":"...","input":{...}}\n\n
 *   data: {"type":"tool-output-available","toolCallId":"...","output":{...}}\n\n
 *   data: {"type":"data-handoff","data":{...}}\n\n
 *   data: {"type":"text-end"}\n\n
 *
 * CF's applyChunkToParts() then builds UIMessage parts from these chunks.
 * CF handles persistence, broadcasting, and resumability.
 */
export declare function createSSEResponse(stream: AsyncGenerator<HarnessStreamPart>, config?: StreamAdapterConfig): Response;