/**
 * Creates a mock fetch Response that streams the provided text as SSE events
 *
 * @param {string} text - The SSE formatted text to stream
 * @returns {Promise<Response>}A Promise that resolves to a mock Response object
 *
 * @example
 * const text = "data: Hello\n\ndata: World\n\n";
 * const events = asyncSSE(text, {}, { fetch: fetchText });
 */
export declare const fetchText: (text: string) => Promise<Response>;