/// <reference types="node" />
/**
 * Real public keys exported from their respective KMSs.
 *
 * Copied here to avoid interoperability issues -- namely around the serialisation of
 * `AlgorithmParams` (`NULL` vs absent).
 */
export declare const REAL_PUBLIC_KEYS: {
    readonly aws: Buffer;
    readonly gcp: Buffer;
};
export declare const PLAINTEXT: ArrayBuffer;
export declare const SIGNATURE: Buffer;