DisputeMgmtHelper is a callable class. Its main
method is call.
call(action, args)
This method calls one of the available DisputeMgmtHelper actions and passes arguments to that action.
getDisputeItems(caseId)
Returns disputed transactions related to the specified Case ID. Called by the createDisputeItemMerchAlert, getAlertStatusDetails, getDisputeBatchDetails actions of the call method.