text: public virtual RemoveRoleFromDBInstanceResponse RemoveRoleFromDBInstance(RemoveRoleFromDBInstanceRequest request){var options = new InvokeOptions();options.RequestMarshaller = RemoveRoleFromDBInstanceRequestMarshaller.Instance;options.ResponseUnmarshaller = RemoveRoleFromDBInstanceResponseUnmarshaller.Instance;return Invoke<RemoveRoleFromDBInstanceResponse>(request, options);}