CustomerCancellation 
    The CustomerCancellation used to configure whether customer cancellation should be enabled during collection.
Use of this SDK is subject to the Stripe Terminal Terms: https://stripe.com/terminal/legal
Entries
Enables customer cancellation if the reader supports it. If the reader does not support customer cancellation, the terminal would ignore this setting.
Disables customer cancellation if the reader supports it. If the reader does not support customer cancellation, the terminal would ignore this setting.
Properties
Functions
Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)
Returns an array containing the constants of this enum type, in the order they're declared.