newBip49

fun newBip49(    secretKey: DescriptorSecretKey,     keychain: KeychainKind,     network: Network)

BIP49 template. Expands to sh(wpkh(key/49'/{0,1}'/0'/{0,1}/\*)) Since there are hardened derivation steps, this template requires a private derivable key (generally a xprv/tprv).