--- /dev/null
+package jalview.io.gff;
+
+/**
+ * A class to hold constants shared by creators and consumers of GFF or feature
+ * data
+ */
+public class GffConstants
+{
+ // SequenceOntology terms are to be found in SequenceOntologyI
+
+ /*
+ * clinical_significance may be an attribute of
+ * sequence_variant data from Ensembl
+ */
+ public static final String CLINICAL_SIGNIFICANCE = "clinical_significance";
+
+ /*
+ * not instantiable
+ */
+ private GffConstants()
+ {
+ }
+}