with Libsens.Common; use Libsens.Common; with Libsens.Virtual; use Libsens.Virtual; with Libsens.Virtual.Plugins; use Libsens.Virtual.Plugins; package Libsens.Virtual.No_Plugin is type No_Plugin_Record is new Plugin_Class(Null_Plugin) with record null; end record; procedure Print (Plug : in No_Plugin_Record); end Libsens.Virtual.Step_Sequencer;