/**
 * Nomad native channel SSE decoder.
 *
 * 与 Cortex 的 agentosDecoder 分层一致：URL、鉴权、request、cancel 留 transport；
 * 本模块只负责 SSE framing 和 wire event validation，不碰 React/store。
 */
export interface NomadProgressEvent {
    type: 'progress';
    kind: 'tool' | 'message' | 'message_delta';
    text: string;
}
export interface NomadFinalEvent {
    type: 'final';
    reply: string;
    session_id: string | null;
}
export interface NomadErrorEvent {
    type: 'error';
    error: string;
    code?: string;
}
export type NomadStreamEvent = NomadProgressEvent | NomadFinalEvent | NomadErrorEvent;
export declare function parseNomadEvent(value: unknown): NomadStreamEvent | null;
export declare function readNomadSSEStream(reader: ReadableStreamDefaultReader<Uint8Array>, options?: {
    onChunk?: () => void;
}): AsyncGenerator<NomadStreamEvent>;
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