account_id() :: String.t()

address() :: String.t()

error() :: {:error, atom()}

muxed_id() :: integer() | nil

t() :: %Stellar.TxBuild.Account{
  account_id: account_id(),
  address: address(),
  muxed_id: muxed_id(),
  type: type()
}

type() :: :ed25519_public_key | :ed25519_muxed_account

validation() :: {:ok, any()} | error()