export declare function taprootTweakPrivKey(privKey: Uint8Array, merkleRoot?: Uint8Array): Uint8Array;
export declare function taprootTweakPubkey(pubKey: Uint8Array, h?: Uint8Array): [Uint8Array, number];
export declare function taprootSignSighash(privKey: string, sighashes: string[], aux?: string): string[];