libatk1.0-dbg 2.18.0-1 (arm64 binary) in ubuntu xenial

 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.
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 This package contains detached debugging symbols.
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 Most people will not need this package.