/usr/share/doc/libasync-http-client-java/api/com/ning/http/util/class-use/ is in libasync-http-client-java-doc 1.6.5-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/libasync-http-client-java/api/com/ning/http/util/class-use/AsyncHttpProviderUtils.html
/usr/share/doc/libasync-http-client-java/api/com/ning/http/util/class-use/AuthenticatorUtils.html
/usr/share/doc/libasync-http-client-java/api/com/ning/http/util/class-use/Base64.html
/usr/share/doc/libasync-http-client-java/api/com/ning/http/util/class-use/CleanupChannelGroup.html
/usr/share/doc/libasync-http-client-java/api/com/ning/http/util/class-use/DateUtil.DateParseException.html
/usr/share/doc/libasync-http-client-java/api/com/ning/http/util/class-use/DateUtil.html
/usr/share/doc/libasync-http-client-java/api/com/ning/http/util/class-use/ProxyUtils.html
/usr/share/doc/libasync-http-client-java/api/com/ning/http/util/class-use/SslUtils.html
/usr/share/doc/libasync-http-client-java/api/com/ning/http/util/class-use/UTF8Codec.html
/usr/share/doc/libasync-http-client-java/api/com/ning/http/util/class-use/UTF8UrlEncoder.html