https://pub.dev/documentation/payment_gateway_plugin/latest/payment_gateway_plugin_method_channel/MethodChannelPaymentGatewayPlugin-class.html
MethodChannelPaymentGatewayPlugin class - payment_gateway_plugin_method_channel library - Dart API
API docs for the MethodChannelPaymentGatewayPlugin class from the payment_gateway_plugin_method_channel library, for the Dart programming language.
class paymentgatewaypluginmethodchannel