import { ChatMessageError } from '../../types/message';
export declare const getMessageError: (response: Response) => Promise<ChatMessageError>;
export type SSEFinishType = 'done' | 'error' | 'abort';
export type MixRequestResponse = Response | {
    content?: Response;
    [key: string]: any;
} | string;
export interface FetchSSEOptions {
    onErrorHandle?: (error: ChatMessageError) => void;
    onMessageHandle?: (text: string, response: MixRequestResponse) => void;
    onAbort?: (text: string) => Promise<void>;
    onFinish?: (type: SSEFinishType) => Promise<void>;
    onCancel?: () => void;
    signal?: AbortSignal;
}
/**
 * 使用流式方法获取数据
 * @param fetchFn
 * @param options
 */
export declare const fetchSSE: (fetchFn: () => MixRequestResponse, options?: FetchSSEOptions) => Promise<any>;