addChangeTokens

open fun addChangeTokens(value: TokenAmount): Cardano.TransactionPlan.Builder
open fun addChangeTokens(index: Int, value: TokenAmount): Cardano.TransactionPlan.Builder
open fun addChangeTokens(builderForValue: Builder): Cardano.TransactionPlan.Builder
open fun addChangeTokens(index: Int, builderForValue: Builder): Cardano.TransactionPlan.Builder
tokens in the change (optional)
repeated .TW.Cardano.Proto.TokenAmount change_tokens = 7;