import type { SPRegistryService } from '../sp-registry/index.ts';
import type { PieceCID, PieceRetriever } from '../types.ts';
import type { WarmStorageService } from '../warm-storage/index.ts';
export declare class ChainRetriever implements PieceRetriever {
    private readonly warmStorageService;
    private readonly childRetriever?;
    private readonly spRegistry;
    constructor(warmStorageService: WarmStorageService, spRegistry: SPRegistryService, childRetriever?: PieceRetriever);
    private findProviders;
    fetchPiece(pieceCid: PieceCID, client: string, options?: {
        providerAddress?: string;
        withCDN?: boolean;
        signal?: AbortSignal;
    }): Promise<Response>;
}
//# sourceMappingURL=chain.d.ts.map