/usr/share/doc/libasync-http-client-java/api/com/ning/http/client/providers/jdk/ 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/client/providers/jdk/JDKAsyncHttpProvider.html
/usr/share/doc/libasync-http-client-java/api/com/ning/http/client/providers/jdk/JDKAsyncHttpProviderConfig.html
/usr/share/doc/libasync-http-client-java/api/com/ning/http/client/providers/jdk/JDKDelegateFuture.html
/usr/share/doc/libasync-http-client-java/api/com/ning/http/client/providers/jdk/JDKFuture.html
/usr/share/doc/libasync-http-client-java/api/com/ning/http/client/providers/jdk/JDKResponse.html
/usr/share/doc/libasync-http-client-java/api/com/ning/http/client/providers/jdk/ResponseBodyPart.html
/usr/share/doc/libasync-http-client-java/api/com/ning/http/client/providers/jdk/ResponseHeaders.html
/usr/share/doc/libasync-http-client-java/api/com/ning/http/client/providers/jdk/ResponseStatus.html
/usr/share/doc/libasync-http-client-java/api/com/ning/http/client/providers/jdk/class-use/
/usr/share/doc/libasync-http-client-java/api/com/ning/http/client/providers/jdk/class-use/JDKAsyncHttpProvider.html
/usr/share/doc/libasync-http-client-java/api/com/ning/http/client/providers/jdk/class-use/JDKAsyncHttpProviderConfig.html
/usr/share/doc/libasync-http-client-java/api/com/ning/http/client/providers/jdk/class-use/JDKDelegateFuture.html
/usr/share/doc/libasync-http-client-java/api/com/ning/http/client/providers/jdk/class-use/JDKFuture.html
/usr/share/doc/libasync-http-client-java/api/com/ning/http/client/providers/jdk/class-use/JDKResponse.html
/usr/share/doc/libasync-http-client-java/api/com/ning/http/client/providers/jdk/class-use/ResponseBodyPart.html
/usr/share/doc/libasync-http-client-java/api/com/ning/http/client/providers/jdk/class-use/ResponseHeaders.html
/usr/share/doc/libasync-http-client-java/api/com/ning/http/client/providers/jdk/class-use/ResponseStatus.html
/usr/share/doc/libasync-http-client-java/api/com/ning/http/client/providers/jdk/package-frame.html
/usr/share/doc/libasync-http-client-java/api/com/ning/http/client/providers/jdk/package-summary.html
/usr/share/doc/libasync-http-client-java/api/com/ning/http/client/providers/jdk/package-tree.html
/usr/share/doc/libasync-http-client-java/api/com/ning/http/client/providers/jdk/package-use.html