/** Local transport reference. Authority is always checked again by the business owner. */
export declare class EncryptedReferenceCodec {
    private readonly uniqueCode;
    private readonly invalid;
    private readonly maxLength;
    constructor(uniqueCode: () => Promise<string>, invalid: (cause?: unknown) => Error, maxLength?: number);
    seal(prefix: string, payload: unknown): Promise<string>;
    open(prefix: string, value: string): Promise<Record<string, unknown>>;
    private key;
}
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