import { type Base58, type KeyMetadata, type Keyset, type KeysetWithSecrets } from '@localfirst/crdx';
export type KeyManifest = KeyMetadata & {
    publicKey: Base58;
};
export declare const isKeyManifest: (keys: Keyset | KeysetWithSecrets | KeyManifest) => keys is KeyManifest;
export type Lockbox = {
    /** The public key of the keypair used to encrypt this lockbox  */
    encryptionKey: {
        type: 'EPHEMERAL';
        publicKey: Base58;
    };
    /** Manifest for the keyset that can open this lockbox (the lockbox recipient's keys) */
    recipient: KeyManifest;
    /** Manifest for the keyset that is in this lockbox (the lockbox contents) */
    contents: KeyManifest;
    /** The encrypted keyset */
    encryptedPayload: Uint8Array;
};
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