declare const PRIVATE_POOL_NOTE_BYTES: {
    readonly PLAINTEXT_NO_MEMO: 80;
    readonly PLAINTEXT_WITH_MEMO: 112;
    readonly CIPHERTEXT_NO_MEMO: number;
    readonly CIPHERTEXT_WITH_MEMO: number;
    readonly EPHEMERAL_PK_LEN: 32;
    readonly COMMITMENT_LEN: 32;
    readonly NONCE_LEN: 12;
    readonly TAG_LEN: 16;
};
type NoteLayout = 'legacy';
type DecryptedNote = {
    value: bigint;
    blinding: Uint8Array;
    ownerPk: Uint8Array;
    memo: Uint8Array | null;
    stealthNonce: null;
    layout: NoteLayout;
};
declare function serializeNotePlaintext(note: DecryptedNote): Uint8Array;
declare function parseNotePlaintext(plaintext: Uint8Array): DecryptedNote;
type EncryptedNoteBlob = {
    ephemeralPk: Uint8Array;
    ciphertext: Uint8Array;
    commitment: Uint8Array;
};
type EncryptArgs = {
    note: DecryptedNote;
    recipientViewingPk: Uint8Array;
    commitment: Uint8Array;
    ephemeralKeypairOverride?: {
        sk: Uint8Array;
        pk: Uint8Array;
    };
};
declare function encryptNote(args: EncryptArgs): EncryptedNoteBlob;
declare function tryDecryptNote(args: {
    blob: EncryptedNoteBlob;
    viewingSk: Uint8Array;
}): DecryptedNote | null;
declare function decryptNote(args: {
    blob: EncryptedNoteBlob;
    viewingSk: Uint8Array;
}): DecryptedNote;
declare function generateX25519Keypair(): {
    sk: Uint8Array;
    pk: Uint8Array;
};
declare function x25519PublicFromSecret(viewingSk: Uint8Array): Uint8Array;

export { type DecryptedNote, type EncryptArgs, type EncryptedNoteBlob, type NoteLayout, PRIVATE_POOL_NOTE_BYTES, decryptNote, encryptNote, generateX25519Keypair, parseNotePlaintext, serializeNotePlaintext, tryDecryptNote, x25519PublicFromSecret };