import type { ServerResponse } from "node:http";
import type { StreamEvent } from "./sink.js";
import type { Redactor } from "./deps.js";
export declare const SSE_HEADERS: Readonly<Record<string, string>>;
export declare function frameEvent(event: StreamEvent, redactor: Redactor): string;
export declare function readyMessage(): string;
export declare function writeEvent(res: ServerResponse, event: StreamEvent, redactor: Redactor): boolean;
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