diff --git a/src/translation.h b/src/translation.h
new file mode 100644
index 0000000..ffd476d
--- /dev/null
+++ b/src/translation.h
@@ -0,0 +1,15 @@
+#ifndef OPENOLT_TRANSLATION_H_
+#define OPENOLT_TRANSLATION_H_
+
+#include <string>
+extern "C"
+{
+#include <bal_model_types.h>
+}
+
+int interface_key_to_port_no(bcmbal_interface_key key);
+std::string alarm_status_to_string(bcmbal_alarm_status status);
+
+
+
+#endif