diff --git a/packages/core/models/basicLineData.model.ts b/packages/core/models/basicLineData.model.ts
index e69de29..46fa99d 100644
--- a/packages/core/models/basicLineData.model.ts
+++ b/packages/core/models/basicLineData.model.ts
@@ -0,0 +1,3 @@
+// basic line data from the perspective of a user
+
+export default class BasicLineData {}