export type RetrievalErrorCode = "empty-scopes" | "invalid-budget" | "invalid-threshold" | "invalid-weight" | "port-failure";
export declare class RetrievalError extends Error {
    readonly name = "RetrievalError";
    readonly code: RetrievalErrorCode;
    constructor(code: RetrievalErrorCode, message: string, options?: {
        cause?: unknown;
    });
}
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