import { type Envelope } from '@redonvn/cli-protocol';
/**
 * Route inbound TOOL_CALL envelope → đúng tool implementation.
 *
 * Trả về tuple { ok, result } | { ok:false, error } để daemon emit lại
 * TOOL_RESULT về backend.
 *
 * `onStream` (optional): daemon truyền callback để LLMRequest (stream=true)
 * forward SSE chunks qua TOOL_STREAM event ngược lên BE.
 */
export declare function handleToolCall(env: Envelope<unknown>, opts?: {
    onStream?: (chunk: string) => void;
}): Promise<{
    ok: boolean;
    result?: unknown;
    error?: string;
}>;