There are following public methods with no documentation:
javafx.scene.control.Tab.getClassCssMetaData()
javafx.scene.control.TableColumn.getClassCssMetaData()
When documenting, please don't forget to add the "@since JavaFX 8.0" tag.

Further, following class is undocumented:
javafx.scene.control.PopupControl$CSSBridge
The @since generator created the comment there to put the tag into it, but some text needs to be added.