ruby-atk 3.2.1-5build2 (amd64 binary) in ubuntu bionic

 ATK is a toolkit providing accessibility interfaces for applications or other
 toolkits. By implementing these interfaces, those other toolkits or
 applications can be used with tools such as screen readers, magnifiers, and
 other alternative input devices.
 .
 This package contains libraries for using ATK with the Ruby programming
 language.