TKTokenDriver
A base class for building token drivers.
Declaration
class TKTokenDriverOverview
When using the TKTokenDriver class, implement the TKTokenDriverDelegate protocol with the tokenDriver(_:tokenFor:) method, which the system invokes when it requests the creation of a token instance. After you create the token driver, it can examine keychainItems and configurationData to implement your desired functionality.
An implementation can also access its associated token configuration using the TKToken.Configuration property.