How to limit the list of shown and accepted through the Braintree payment gateway bank card types for a particular customer's country?

[dmitry_fedyuk (Dmitrii Fediuk)]

«Stores» → «Configuration» → «Sales» → «Payment Methods» → «BraintreeTwo» (or «Braintree») → «Country Specific Settings» → «Country Specific Credit Card Types»:

[dmitry_fedyuk (Dmitrii Fediuk)]

See also:

• The collectTypes() method from the Magento_Braintree's cc-form.js can be simplified from 8 lines to 1
• The collectTypes() method from the Magento_BraintreeTwo's validator.js can be simplified from 8 lines to 1
• The collectTypes() method is duplicated in the Magento_Braintree's cc-form.js and Magento_BraintreeTwo's validator.js