+package org.wamblee.gps.track;
+
+public interface TrackFilter {
+
+ /**
+ * Version number of the track filter. If the version changes then the
+ * filter has been modified.
+ * @return Version.
+ */
+ int version();
+
+ /**
+ * Filter the track.
+ * @param aTrack Track to filter.
+ * @return Filtered track.
+ */
+ Track filter(Track aTrack);
+}