export interface FetchResult {
    ok: boolean;
    data?: unknown;
    error?: string;
    status?: number;
    cached?: boolean;
    stale?: boolean;
    persistent?: boolean;
    streamed?: boolean;
}
export declare function cancel(key: string): void;
export declare function cancelAll(): void;
export declare function fetchWithRetry(url: string, opts: RequestInit, key: string, onChunk?: (chunk: unknown) => void): Promise<FetchResult>;
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