virtual void set_align_style (AlignStyle, bool force=false) = 0;
virtual void set_align_choice (AlignChoice, bool force=false) = 0;
virtual int use_copy_playlist () = 0;
virtual void set_align_style (AlignStyle, bool force=false) = 0;
virtual void set_align_choice (AlignChoice, bool force=false) = 0;
virtual int use_copy_playlist () = 0;