addTxs

open fun addTxs(value: Txs): Tezos.TxObject.Builder
open fun addTxs(index: Int, value: Txs): Tezos.TxObject.Builder
open fun addTxs(builderForValue: Builder): Tezos.TxObject.Builder
open fun addTxs(index: Int, builderForValue: Builder): Tezos.TxObject.Builder

repeated .TW.Tezos.Proto.Txs txs = 2;