func (_Contract *ContractFilterer) WatchLockingDelegation(opts *bind.WatchOpts, sink chan<- *ContractLockingDelegation, delegator []common.Address, stakerID []*big.Int) (event.Subscription, error) {

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