1 files changed, 13 insertions, 0 deletions
diff --git a/extractor/features/count_source_target.h b/extractor/features/count_source_target.h
new file mode 100644
index 00000000..a2481944
--- /dev/null
+++ b/extractor/features/count_source_target.h
@@ -0,0 +1,13 @@
+#ifndef _COUNT_SOURCE_TARGET_H_
+#define _COUNT_SOURCE_TARGET_H_
+
+#include "feature.h"
+
+class CountSourceTarget : public Feature {
+ public:
+  double Score(const FeatureContext& context) const;
+
+  string GetName() const;
+};
+
+#endif