/usr/share/doc/librobust-http-client-java/api/ is in librobust-http-client-java-doc 1.2-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/librobust-http-client-java/api/allclasses-frame.html
/usr/share/doc/librobust-http-client-java/api/allclasses-noframe.html
/usr/share/doc/librobust-http-client-java/api/constant-values.html
/usr/share/doc/librobust-http-client-java/api/deprecated-list.html
/usr/share/doc/librobust-http-client-java/api/help-doc.html
/usr/share/doc/librobust-http-client-java/api/index-all.html
/usr/share/doc/librobust-http-client-java/api/index.html
/usr/share/doc/librobust-http-client-java/api/org/
/usr/share/doc/librobust-http-client-java/api/org/jvnet/
/usr/share/doc/librobust-http-client-java/api/org/jvnet/robust_http_client/
/usr/share/doc/librobust-http-client-java/api/org/jvnet/robust_http_client/RetryableHttpStream.html
/usr/share/doc/librobust-http-client-java/api/org/jvnet/robust_http_client/class-use/
/usr/share/doc/librobust-http-client-java/api/org/jvnet/robust_http_client/class-use/RetryableHttpStream.html
/usr/share/doc/librobust-http-client-java/api/org/jvnet/robust_http_client/package-frame.html
/usr/share/doc/librobust-http-client-java/api/org/jvnet/robust_http_client/package-summary.html
/usr/share/doc/librobust-http-client-java/api/org/jvnet/robust_http_client/package-tree.html
/usr/share/doc/librobust-http-client-java/api/org/jvnet/robust_http_client/package-use.html
/usr/share/doc/librobust-http-client-java/api/overview-tree.html
/usr/share/doc/librobust-http-client-java/api/package-list
/usr/share/doc/librobust-http-client-java/api/resources/
/usr/share/doc/librobust-http-client-java/api/resources/background.gif
/usr/share/doc/librobust-http-client-java/api/resources/tab.gif
/usr/share/doc/librobust-http-client-java/api/resources/titlebar.gif
/usr/share/doc/librobust-http-client-java/api/resources/titlebar_end.gif
/usr/share/doc/librobust-http-client-java/api/stylesheet.css