export declare const generateNewAccountKeyPair: () => {
    privKey: Uint8Array;
    pubKey: Uint8Array;
};
export declare const getAccountKeyPairFromMnemonic: (mnemonic: string) => {
    privKey: Uint8Array;
    pubKey: Uint8Array;
} | undefined;
export declare const getPubKeyHex: (pubKey: string) => string;