text: public virtual ListVPCAssociationAuthorizationsResponse ListVPCAssociationAuthorizations(ListVPCAssociationAuthorizationsRequest request){var options = new InvokeOptions();options.RequestMarshaller = ListVPCAssociationAuthorizationsRequestMarshaller.Instance;options.ResponseUnmarshaller = ListVPCAssociationAuthorizationsResponseUnmarshaller.Instance;return Invoke<ListVPCAssociationAuthorizationsResponse>(request, options);}