public ModifyInstanceGroupsResult modifyInstanceGroups(ModifyInstanceGroupsRequest request) {request = beforeClientExecution(request);return executeModifyInstanceGroups(request);}

public virtual ModifyInstanceGroupsResponse ModifyInstanceGroups(ModifyInstanceGroupsRequest request){var options = new InvokeOptions();options.RequestMarshaller = ModifyInstanceGroupsRequestMarshaller.Instance;options.ResponseUnmarshaller = ModifyInstanceGroupsResponseUnmarshaller.Instance;return Invoke<ModifyInstanceGroupsResponse>(request, options);}
