/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/ribbon/ is in libflamingo-java-doc 5.0-1.
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/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/ribbon/AbstractBandControlPanel.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/ribbon/BandControlPanelUI.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/ribbon/BasicBandControlPanelUI.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/ribbon/BasicFlowBandControlPanelUI.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/ribbon/BasicRibbonBandUI.CollapsedButtonPopupPanel.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/ribbon/BasicRibbonBandUI.RoundBorder.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/ribbon/BasicRibbonBandUI.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/ribbon/BasicRibbonComponentUI.ExtComponentLayout.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/ribbon/BasicRibbonComponentUI.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/ribbon/BasicRibbonGalleryUI.ExpandCommandButton.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/ribbon/BasicRibbonGalleryUI.JButtonStripUIResource.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/ribbon/BasicRibbonGalleryUI.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/ribbon/BasicRibbonTaskToggleButtonUI.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/ribbon/BasicRibbonUI.BandHostPanel.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/ribbon/BasicRibbonUI.BandHostPopupPanel.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/ribbon/BasicRibbonUI.TaskToggleButtonsHostPanel.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/ribbon/BasicRibbonUI.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/ribbon/CommandButtonLayoutManagerBigFixed.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/ribbon/CommandButtonLayoutManagerBigFixedLandscape.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/ribbon/JBandControlPanel.ControlPanelGroup.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/ribbon/JBandControlPanel.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/ribbon/JFlowBandControlPanel.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/ribbon/JRibbonGallery.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/ribbon/JRibbonRootPane.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/ribbon/JRibbonTaskToggleButton.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/ribbon/RibbonBandUI.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/ribbon/RibbonComponentUI.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/ribbon/RibbonGalleryUI.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/ribbon/RibbonUI.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/ribbon/appmenu/
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/ribbon/appmenu/BasicRibbonApplicationMenuButtonUI.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/ribbon/appmenu/BasicRibbonApplicationMenuPopupPanelUI.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/ribbon/appmenu/CommandButtonLayoutManagerMenuTileLevel1.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/ribbon/appmenu/CommandButtonLayoutManagerMenuTileLevel2.html
/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/ribbon/appmenu/JRibbonApplicationMenuButton.html
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/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/ribbon/appmenu/package-frame.html
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/usr/share/doc/libflamingo-java/api/org/pushingpixels/flamingo/internal/ui/ribbon/package-tree.html