> 2. alt_shift_toggle_bidir option probably for back order with LAlt+LShift and
> sequential order with RAlt+RShift (Do I understand it right?) and there no will
> be GUI-option for this (Do I understand it right too?).
Right. So GUI operations would stay consistent.
> 1. For behavior "left shortcut switches layouts in back order, right shortcut
> switches layouts in sequential order" there is Ctrl+Shift shortcut, that
> present in GUI, and alt_shift_toggle_bidir option that doesn't will be present
> in GUI.
Perhaps Ctrl+Shift should be fixed similarly. Same about Ctrl+Alt.
> the keyboard shortcut (example: Ctrl+Alt, Shift+Alt, Ctrl+Shift; both of Left
> and Right or only Left or Right) and the behavior (only sequential/back order
> or different order for L/R shortcuts) separately in config and GUI?
It is impossible within the current XKB config architecture, AFAIK.
> 2. alt_shift_ toggle_ bidir option probably for back order with LAlt+LShift and
> sequential order with RAlt+RShift (Do I understand it right?) and there no will
> be GUI-option for this (Do I understand it right too?).
Right. So GUI operations would stay consistent.
> 1. For behavior "left shortcut switches layouts in back order, right shortcut toggle_ bidir option that doesn't will be present
> switches layouts in sequential order" there is Ctrl+Shift shortcut, that
> present in GUI, and alt_shift_
> in GUI.
Perhaps Ctrl+Shift should be fixed similarly. Same about Ctrl+Alt.
> the keyboard shortcut (example: Ctrl+Alt, Shift+Alt, Ctrl+Shift; both of Left
> and Right or only Left or Right) and the behavior (only sequential/back order
> or different order for L/R shortcuts) separately in config and GUI?
It is impossible within the current XKB config architecture, AFAIK.