+import jalview.api.AlignViewControllerGuiI;
+import jalview.api.AlignViewportI;
+import jalview.api.FeatureColourI;
+import jalview.api.FeatureSettingsControllerI;
+import jalview.api.SplitContainerI;
+import jalview.api.ViewStyleI;
+import jalview.controller.FeatureSettingsControllerGuiI;
+import jalview.datamodel.AlignmentI;
+import jalview.datamodel.SequenceI;
+import jalview.datamodel.features.FeatureMatcher;
+import jalview.datamodel.features.FeatureMatcherI;
+import jalview.datamodel.features.FeatureMatcherSet;
+import jalview.datamodel.features.FeatureMatcherSetI;
+import jalview.gui.Help.HelpId;
+import jalview.gui.JalviewColourChooser.ColourChooserListener;
+import jalview.io.JalviewFileChooser;
+import jalview.io.JalviewFileView;
+import jalview.schemes.FeatureColour;
+import jalview.util.MessageManager;
+import jalview.util.Platform;
+import jalview.viewmodel.seqfeatures.FeatureRendererModel.FeatureSettingsBean;
+import jalview.viewmodel.styles.ViewStyle;
+import jalview.xml.binding.jalview.JalviewUserColours;
+import jalview.xml.binding.jalview.JalviewUserColours.Colour;
+import jalview.xml.binding.jalview.JalviewUserColours.Filter;
+import jalview.xml.binding.jalview.ObjectFactory;
+