Generate code to add Classic prefix

Author: gcatanese

lib/adyen/services/payment.rb

@@ -18,11 +18,11 @@ def initialize(client, version = DEFAULT_VERSION)
     end
 
     def modifications_api
-      @modifications_api ||= Adyen::ModificationsApi.new(@client, @version)
+      @modifications_api ||= Adyen::ClassicModificationsApi.new(@client, @version)
     end
 
     def payments_api
-      @payments_api ||= Adyen::PaymentsApi.new(@client, @version)
+      @payments_api ||= Adyen::ClassicPaymentsApi.new(@client, @version)
     end
 
   end

lib/adyen/services/payment/modifications_api.rb

@@ -5,7 +5,7 @@ module Adyen
   # Ref: https://openapi-generator.tech
   #
   # Do not edit the class manually.
-  class ModificationsApi < Service
+  class ClassicModificationsApi < Service
     attr_accessor :service, :version
 
     def initialize(client, version = DEFAULT_VERSION)

lib/adyen/services/payment/payments_api.rb

@@ -5,7 +5,7 @@ module Adyen
   # Ref: https://openapi-generator.tech
   #
   # Do not edit the class manually.
-  class PaymentsApi < Service
+  class ClassicPaymentsApi < Service
     attr_accessor :service, :version
 
     def initialize(client, version = DEFAULT_VERSION)