/usr/lib/x86_64-linux-gnu/ada/ is in libncursesada2-dev 5.9.20110404-3.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/x86_64-linux-gnu/ada/adalib/
/usr/lib/x86_64-linux-gnu/ada/adalib/ncursesada/
/usr/lib/x86_64-linux-gnu/ada/adalib/ncursesada/terminal_interface-curses-aux.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/ncursesada/terminal_interface-curses-forms-field_types-alpha.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/ncursesada/terminal_interface-curses-forms-field_types-alphanumeric.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/ncursesada/terminal_interface-curses-forms-field_types-enumeration-ada.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/ncursesada/terminal_interface-curses-forms-field_types-enumeration.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/ncursesada/terminal_interface-curses-forms-field_types-intfield.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/ncursesada/terminal_interface-curses-forms-field_types-ipv4_address.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/ncursesada/terminal_interface-curses-forms-field_types-numeric.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/ncursesada/terminal_interface-curses-forms-field_types-regexp.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/ncursesada/terminal_interface-curses-forms-field_types-user-choice.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/ncursesada/terminal_interface-curses-forms-field_types-user.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/ncursesada/terminal_interface-curses-forms-field_types.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/ncursesada/terminal_interface-curses-forms-field_user_data.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/ncursesada/terminal_interface-curses-forms-form_user_data.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/ncursesada/terminal_interface-curses-forms.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/ncursesada/terminal_interface-curses-menus-item_user_data.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/ncursesada/terminal_interface-curses-menus-menu_user_data.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/ncursesada/terminal_interface-curses-menus.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/ncursesada/terminal_interface-curses-mouse.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/ncursesada/terminal_interface-curses-panels-user_data.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/ncursesada/terminal_interface-curses-panels.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/ncursesada/terminal_interface-curses-putwin.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/ncursesada/terminal_interface-curses-termcap.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/ncursesada/terminal_interface-curses-terminfo.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/ncursesada/terminal_interface-curses-text_io-aux.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/ncursesada/terminal_interface-curses-text_io-complex_io.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/ncursesada/terminal_interface-curses-text_io-decimal_io.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/ncursesada/terminal_interface-curses-text_io-enumeration_io.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/ncursesada/terminal_interface-curses-text_io-fixed_io.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/ncursesada/terminal_interface-curses-text_io-float_io.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/ncursesada/terminal_interface-curses-text_io-integer_io.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/ncursesada/terminal_interface-curses-text_io-modular_io.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/ncursesada/terminal_interface-curses-text_io.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/ncursesada/terminal_interface-curses-trace.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/ncursesada/terminal_interface-curses.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/ncursesada/terminal_interface.ali