func (_Contract *ContractFilterer) FilterUpdatedDelegation(opts *bind.FilterOpts, delegator []common.Address, oldStakerID []*big.Int, newStakerID []*big.Int) (*ContractUpdatedDelegationIterator, error) {

    var delegatorRule []interface{}
    for _, delegatorItem := range delegator {
        delegatorRule = append(delegatorRule, delegatorItem)