/usr/share/doc/libvldocking-java/api/com/vlsolutions/swing/docking/event/ is in libvldocking-java 2.1.4-4.
This file is owned by root:root, with mode 0o755.
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/usr/share/doc/libvldocking-java/api/com/vlsolutions/swing/docking/event/DockDragEvent.html
/usr/share/doc/libvldocking-java/api/com/vlsolutions/swing/docking/event/DockDropEvent.html
/usr/share/doc/libvldocking-java/api/com/vlsolutions/swing/docking/event/DockEvent.html
/usr/share/doc/libvldocking-java/api/com/vlsolutions/swing/docking/event/DockableSelectionEvent.html
/usr/share/doc/libvldocking-java/api/com/vlsolutions/swing/docking/event/DockableSelectionListener.html
/usr/share/doc/libvldocking-java/api/com/vlsolutions/swing/docking/event/DockableStateChangeEvent.html
/usr/share/doc/libvldocking-java/api/com/vlsolutions/swing/docking/event/DockableStateChangeListener.html
/usr/share/doc/libvldocking-java/api/com/vlsolutions/swing/docking/event/DockableStateWillChangeEvent.html
/usr/share/doc/libvldocking-java/api/com/vlsolutions/swing/docking/event/DockableStateWillChangeListener.html
/usr/share/doc/libvldocking-java/api/com/vlsolutions/swing/docking/event/DockingActionAddDockableEvent.html
/usr/share/doc/libvldocking-java/api/com/vlsolutions/swing/docking/event/DockingActionCloseEvent.html
/usr/share/doc/libvldocking-java/api/com/vlsolutions/swing/docking/event/DockingActionCreateTabEvent.html
/usr/share/doc/libvldocking-java/api/com/vlsolutions/swing/docking/event/DockingActionDockableEvent.html
/usr/share/doc/libvldocking-java/api/com/vlsolutions/swing/docking/event/DockingActionEvent.html
/usr/share/doc/libvldocking-java/api/com/vlsolutions/swing/docking/event/DockingActionListener.html
/usr/share/doc/libvldocking-java/api/com/vlsolutions/swing/docking/event/DockingActionSimpleStateChangeEvent.html
/usr/share/doc/libvldocking-java/api/com/vlsolutions/swing/docking/event/DockingActionSplitComponentEvent.html
/usr/share/doc/libvldocking-java/api/com/vlsolutions/swing/docking/event/DockingActionSplitDockableContainerEvent.html
/usr/share/doc/libvldocking-java/api/com/vlsolutions/swing/docking/event/DockingActionSplitDockableEvent.html
/usr/share/doc/libvldocking-java/api/com/vlsolutions/swing/docking/event/class-use/
/usr/share/doc/libvldocking-java/api/com/vlsolutions/swing/docking/event/class-use/DockDragEvent.html
/usr/share/doc/libvldocking-java/api/com/vlsolutions/swing/docking/event/class-use/DockDropEvent.html
/usr/share/doc/libvldocking-java/api/com/vlsolutions/swing/docking/event/class-use/DockEvent.html
/usr/share/doc/libvldocking-java/api/com/vlsolutions/swing/docking/event/class-use/DockableSelectionEvent.html
/usr/share/doc/libvldocking-java/api/com/vlsolutions/swing/docking/event/class-use/DockableSelectionListener.html
/usr/share/doc/libvldocking-java/api/com/vlsolutions/swing/docking/event/class-use/DockableStateChangeEvent.html
/usr/share/doc/libvldocking-java/api/com/vlsolutions/swing/docking/event/class-use/DockableStateChangeListener.html
/usr/share/doc/libvldocking-java/api/com/vlsolutions/swing/docking/event/class-use/DockableStateWillChangeEvent.html
/usr/share/doc/libvldocking-java/api/com/vlsolutions/swing/docking/event/class-use/DockableStateWillChangeListener.html
/usr/share/doc/libvldocking-java/api/com/vlsolutions/swing/docking/event/class-use/DockingActionAddDockableEvent.html
/usr/share/doc/libvldocking-java/api/com/vlsolutions/swing/docking/event/class-use/DockingActionCloseEvent.html
/usr/share/doc/libvldocking-java/api/com/vlsolutions/swing/docking/event/class-use/DockingActionCreateTabEvent.html
/usr/share/doc/libvldocking-java/api/com/vlsolutions/swing/docking/event/class-use/DockingActionDockableEvent.html
/usr/share/doc/libvldocking-java/api/com/vlsolutions/swing/docking/event/class-use/DockingActionEvent.html
/usr/share/doc/libvldocking-java/api/com/vlsolutions/swing/docking/event/class-use/DockingActionListener.html
/usr/share/doc/libvldocking-java/api/com/vlsolutions/swing/docking/event/class-use/DockingActionSimpleStateChangeEvent.html
/usr/share/doc/libvldocking-java/api/com/vlsolutions/swing/docking/event/class-use/DockingActionSplitComponentEvent.html
/usr/share/doc/libvldocking-java/api/com/vlsolutions/swing/docking/event/class-use/DockingActionSplitDockableContainerEvent.html
/usr/share/doc/libvldocking-java/api/com/vlsolutions/swing/docking/event/class-use/DockingActionSplitDockableEvent.html
/usr/share/doc/libvldocking-java/api/com/vlsolutions/swing/docking/event/package-frame.html
/usr/share/doc/libvldocking-java/api/com/vlsolutions/swing/docking/event/package-summary.html
/usr/share/doc/libvldocking-java/api/com/vlsolutions/swing/docking/event/package-tree.html
/usr/share/doc/libvldocking-java/api/com/vlsolutions/swing/docking/event/package-use.html