/usr/share/doc/liblaf-widget-java-doc/api/org/pushingpixels/lafwidget/tree/dnd/ is in liblaf-widget-java-doc 7.3+dfsg3-2.
This file is owned by root:root, with mode 0o755.
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/usr/share/doc/liblaf-widget-java-doc/api/org/pushingpixels/lafwidget/tree/dnd/DnDVetoException.html
/usr/share/doc/liblaf-widget-java-doc/api/org/pushingpixels/lafwidget/tree/dnd/StringTreeDnDEvent.html
/usr/share/doc/liblaf-widget-java-doc/api/org/pushingpixels/lafwidget/tree/dnd/StringTreeDnDListener.html
/usr/share/doc/liblaf-widget-java-doc/api/org/pushingpixels/lafwidget/tree/dnd/TreeDragAndDropWidget.html
/usr/share/doc/liblaf-widget-java-doc/api/org/pushingpixels/lafwidget/tree/dnd/TreeTreeDnDEvent.html
/usr/share/doc/liblaf-widget-java-doc/api/org/pushingpixels/lafwidget/tree/dnd/TreeTreeDnDListener.html
/usr/share/doc/liblaf-widget-java-doc/api/org/pushingpixels/lafwidget/tree/dnd/package-frame.html
/usr/share/doc/liblaf-widget-java-doc/api/org/pushingpixels/lafwidget/tree/dnd/package-summary.html
/usr/share/doc/liblaf-widget-java-doc/api/org/pushingpixels/lafwidget/tree/dnd/package-tree.html