func (_Contract *ContractTransactor) PrepareToWithdrawDelegationPartial(opts *bind.TransactOpts, wrID *big.Int, toStakerID *big.Int, amount *big.Int) (*types.Transaction, error) {
    return _Contract.contract.Transact(opts, "prepareToWithdrawDelegationPartial", wrID, toStakerID, amount)
}