text: public virtual ListIAMPolicyAssignmentsResponse ListIAMPolicyAssignments(ListIAMPolicyAssignmentsRequest request){var options = new InvokeOptions();options.RequestMarshaller = ListIAMPolicyAssignmentsRequestMarshaller.Instance;options.ResponseUnmarshaller = ListIAMPolicyAssignmentsResponseUnmarshaller.Instance;return Invoke<ListIAMPolicyAssignmentsResponse>(request, options);}