/usr/share/doc/libjenkins-remoting-java/api/hudson/remoting/forward/ is in libjenkins-remoting-java-doc 2.45-1.
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/usr/share/doc/libjenkins-remoting-java/api/hudson/remoting/forward/Forwarder.html
/usr/share/doc/libjenkins-remoting-java/api/hudson/remoting/forward/ForwarderFactory.html
/usr/share/doc/libjenkins-remoting-java/api/hudson/remoting/forward/ListeningPort.html
/usr/share/doc/libjenkins-remoting-java/api/hudson/remoting/forward/PortForwarder.html
/usr/share/doc/libjenkins-remoting-java/api/hudson/remoting/forward/class-use/
/usr/share/doc/libjenkins-remoting-java/api/hudson/remoting/forward/class-use/Forwarder.html
/usr/share/doc/libjenkins-remoting-java/api/hudson/remoting/forward/class-use/ForwarderFactory.html
/usr/share/doc/libjenkins-remoting-java/api/hudson/remoting/forward/class-use/ListeningPort.html
/usr/share/doc/libjenkins-remoting-java/api/hudson/remoting/forward/class-use/PortForwarder.html
/usr/share/doc/libjenkins-remoting-java/api/hudson/remoting/forward/package-frame.html
/usr/share/doc/libjenkins-remoting-java/api/hudson/remoting/forward/package-summary.html
/usr/share/doc/libjenkins-remoting-java/api/hudson/remoting/forward/package-tree.html
/usr/share/doc/libjenkins-remoting-java/api/hudson/remoting/forward/package-use.html