+ String getViewId();
+
+ StructureViewer.ViewerType getViewerType();
+
+ boolean isUsedforaligment(AlignmentViewPanel ap);
+
+ boolean isColouredByViewer();
+
+ int getHeight();
+
+ int getWidth();
+
+ int getY();
+
+ File saveSession();
+
+ /**
+ *
+ * @return heteroatoms in a form suitable for display and passing to command generator to display hetatms
+ */
+ default List<String> getHetatms() {
+ return Collections.EMPTY_LIST;
+ }
+