The OwnerPIN class has a no-argument-constructor.
The method isValidated() in the OwnerPIN class returns a boolean indicating wether a valid PIN has been presented since the last card reset or last call to reset().
After calling the reset() method on an OwnerPIN instance an immediate subsequent call to isValidated() will return true.
The method getTriesRemaining() in the OwnerPIN class returns the number of times remaining that an incorrect PIN can be presented before the PIN is blocked.
The OwnerPIN class implements the PIN interface.
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