/usr/lib/x86_64-linux-gnu/ada/ is in libxmlada-unicode7-dev 17.1.2017-5.
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/xmlada_unicode/
/usr/lib/x86_64-linux-gnu/ada/adalib/xmlada_unicode/unicode-ccs-iso_8859_1.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/xmlada_unicode/unicode-ccs-iso_8859_15.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/xmlada_unicode/unicode-ccs-iso_8859_2.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/xmlada_unicode/unicode-ccs-iso_8859_3.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/xmlada_unicode/unicode-ccs-iso_8859_4.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/xmlada_unicode/unicode-ccs-windows_1251.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/xmlada_unicode/unicode-ccs-windows_1252.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/xmlada_unicode/unicode-ccs.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/xmlada_unicode/unicode-ces-basic_8bit.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/xmlada_unicode/unicode-ces-utf16.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/xmlada_unicode/unicode-ces-utf32.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/xmlada_unicode/unicode-ces-utf8.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/xmlada_unicode/unicode-ces.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/xmlada_unicode/unicode-encodings.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/xmlada_unicode/unicode-names-basic_latin.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/xmlada_unicode/unicode-names-currency_symbols.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/xmlada_unicode/unicode-names-cyrillic.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/xmlada_unicode/unicode-names-general_punctuation.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/xmlada_unicode/unicode-names-latin_1_supplement.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/xmlada_unicode/unicode-names-latin_extended_a.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/xmlada_unicode/unicode-names-latin_extended_b.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/xmlada_unicode/unicode-names-letterlike_symbols.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/xmlada_unicode/unicode-names-spacing_modifier_letters.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/xmlada_unicode/unicode-names.ali
/usr/lib/x86_64-linux-gnu/ada/adalib/xmlada_unicode/unicode.ali