addCoins

open fun addCoins(index: Int, value: Token): Binance.SendOrder.Output.Builder
open fun addCoins(builderForValue: Builder): Binance.SendOrder.Output.Builder
open fun addCoins(index: Int, builderForValue: Builder): Binance.SendOrder.Output.Builder
output coin amounts
repeated .TW.Binance.Proto.SendOrder.Token coins = 2;