/usr/share/doc/libasync-http-client-java/api/com/ning/http/client/filter/ is in libasync-http-client-java-doc 1.6.5-1.
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/usr/share/doc/libasync-http-client-java/api/com/ning/http/client/filter/FilterContext.FilterContextBuilder.html
/usr/share/doc/libasync-http-client-java/api/com/ning/http/client/filter/FilterContext.html
/usr/share/doc/libasync-http-client-java/api/com/ning/http/client/filter/FilterException.html
/usr/share/doc/libasync-http-client-java/api/com/ning/http/client/filter/IOExceptionFilter.html
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/usr/share/doc/libasync-http-client-java/api/com/ning/http/client/filter/ResponseFilter.html
/usr/share/doc/libasync-http-client-java/api/com/ning/http/client/filter/class-use/
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/usr/share/doc/libasync-http-client-java/api/com/ning/http/client/filter/class-use/FilterContext.html
/usr/share/doc/libasync-http-client-java/api/com/ning/http/client/filter/class-use/FilterException.html
/usr/share/doc/libasync-http-client-java/api/com/ning/http/client/filter/class-use/IOExceptionFilter.html
/usr/share/doc/libasync-http-client-java/api/com/ning/http/client/filter/class-use/RequestFilter.html
/usr/share/doc/libasync-http-client-java/api/com/ning/http/client/filter/class-use/ResponseFilter.html
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/usr/share/doc/libasync-http-client-java/api/com/ning/http/client/filter/package-use.html