protocol Acc-DB
  description   The Internal Account Database Protocol
  message get-login-details Request to retrieve login details
  message login-details The retrieved login details
  message update-record Update the information stored in the customer record
  message record-updated The customer record was updated
  message get-balance Request to get the balance of an account
  message balance-info The balance information
  message upd-card-balance Request to update the balance of a card account
  message upd-checking-balance Request to update the balance of a checking account
  message upd-merchant-balance Request to update the balance of a merchant account
  message upd-mortgage-balance Request to update the balance of a mortgage account
  message upd-personal-balance Request to update the balance of a personal loan account
  message upd-saving-balance Request to update the balance of a saving account
  message upd-webshop-balance Request to update the balance of a web-shop account
  message upd-other-balance Request to update the balance of an other account (locally)
  message commit-changes Instruction to save all related requests in an atomic action.
  message changes-committed All related request have been save in the database.
  message rollback-changes Instruction to rollback all related requests in an atomic action.
  message rolled-back All related request has been rolled back (not executed) from the database.
  message retrieve-trans Transaction for specific account (src_acc) are to be retrieved
  message collected-trans Transaction information for a specific account (src_acc)
  message get-account-info Retrieve information about an account
  message account-info The account information