export declare const SSE_IDLE_MS = 120000;
export interface SseEvent {
    readonly event: string | undefined;
    readonly data: string | undefined;
    readonly id: string | undefined;
    readonly retry: number | undefined;
    readonly raw: string;
}
export interface SseParser {
    readonly feed: (text: string) => void;
    readonly end: () => void;
}
export declare const createSseParser: (dispatch: (event: SseEvent) => void) => SseParser;
export declare const parseSseText: (text: string) => SseEvent[];
export declare function sseEvents(body: ReadableStream<Uint8Array>, idleMs?: number): AsyncGenerator<SseEvent>;
export declare function sseFrames(body: ReadableStream<Uint8Array>, idleMs?: number): AsyncGenerator<string>;
export type SseJsonValue = string | number | boolean | null | readonly SseJsonValue[] | {
    readonly [key: string]: SseJsonValue;
};
export declare const sseJson: (event: SseEvent) => SseJsonValue | undefined;
export declare const sseData: (frame: string) => SseJsonValue | undefined;
export declare const sseEventName: (frame: string) => string | undefined;
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