import java.util.List;
+import jalview.datamodel.SequenceI;
+
public interface StructureListener
{
/**
* @param svl
*/
public void releaseReferences(Object svl);
+
+ /**
+ * Answers true if this listener is interested in the given sequence
+ *
+ * @param seq
+ * @return
+ */
+ public boolean isListeningFor(SequenceI seq);
}