/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/common/ is in libflamingo-java-doc 5.0-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/common/BasicCommandButtonListener.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/common/BasicCommandButtonPanelUI.ColumnFillLayout.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/common/BasicCommandButtonPanelUI.RowFillLayout.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/common/BasicCommandButtonPanelUI.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/common/BasicCommandButtonStripUI.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/common/BasicCommandButtonUI.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/common/BasicCommandMenuButtonUI.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/common/BasicCommandToggleButtonUI.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/common/BasicCommandToggleMenuButtonUI.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/common/BasicRichTooltipPanelUI.RichTooltipPanelLayout.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/common/BasicRichTooltipPanelUI.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/common/BasicScrollablePanelUI.ScrollablePanelLayout.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/common/BasicScrollablePanelUI.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/common/CommandButtonLayoutManagerBig.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/common/CommandButtonLayoutManagerCustom.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/common/CommandButtonLayoutManagerMedium.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/common/CommandButtonLayoutManagerSmall.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/common/CommandButtonLayoutManagerTile.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/common/CommandButtonPanelUI.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/common/CommandButtonStripUI.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/common/CommandButtonUI.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/common/JRichTooltipPanel.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/common/ResizableIconUIResource.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/common/RichTooltipPanelUI.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/common/ScrollablePanelUI.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/common/package-frame.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/common/package-summary.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/common/package-tree.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/common/popup/
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/common/popup/BasicColorSelectorComponentUI.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/common/popup/BasicColorSelectorPanelUI.PanelLayout.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/common/popup/BasicColorSelectorPanelUI.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/common/popup/BasicCommandPopupMenuUI.MenuPanel.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/common/popup/BasicCommandPopupMenuUI.PopupMenuLayoutManager.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/common/popup/BasicCommandPopupMenuUI.ScrollableCommandButtonPanel.IconPopupLayout.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/common/popup/BasicCommandPopupMenuUI.ScrollableCommandButtonPanel.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/common/popup/BasicCommandPopupMenuUI.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/common/popup/BasicPopupPanelUI.PopupPanelEscapeDismisser.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/common/popup/BasicPopupPanelUI.WindowTracker.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/common/popup/BasicPopupPanelUI.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/common/popup/ColorSelectorComponentUI.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/common/popup/ColorSelectorPanelUI.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/common/popup/JColorSelectorComponent.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/common/popup/JColorSelectorPanel.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/common/popup/PopupPanelUI.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/common/popup/package-frame.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/common/popup/package-summary.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/common/popup/package-tree.html